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1443423443423 = 1319291361148061
BaseRepresentation
bin10101000000010010101…
…111011101100111011111
312002222201122212021111012
4111000102233131213133
5142122112400142143
63023033301445435
7206166243555323
oct25002257354737
95088648767435
101443423443423
115071749a4015
121b38b371087b
13a6163cccab0
144dc0d727983
1527830480418
hex15012bdd9df

1443423443423 has 32 divisors (see below), whose sum is σ = 1693947729600. Its totient is φ = 1217834956800.

The previous prime is 1443423443411. The next prime is 1443423443431. The reversal of 1443423443423 is 3243443243441.

It is a cyclic number.

It is not a de Polignac number, because 1443423443423 - 236 = 1374703966687 is a prime.

It is a super-4 number, since 4×14434234434234 (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443423443923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9674813 + ... + 9822873.

It is an arithmetic number, because the mean of its divisors is an integer number (52935866550).

Almost surely, 21443423443423 is an apocalyptic number.

1443423443423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1443423443423 is a deficient number, since it is larger than the sum of its proper divisors (250524286177).

1443423443423 is a wasteful number, since it uses less digits than its factorization.

1443423443423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149483.

The product of its digits is 1327104, while the sum is 41.

Adding to 1443423443423 its reverse (3243443243441), we get a palindrome (4686866686864).

The spelling of 1443423443423 in words is "one trillion, four hundred forty-three billion, four hundred twenty-three million, four hundred forty-three thousand, four hundred twenty-three".

Divisors: 1 13 19 29 247 377 551 1361 7163 17693 25859 39469 148061 336167 513097 749911 1924793 2813159 4293769 9748843 36571067 55818997 81581611 201511021 1060560943 2619643273 3828709399 5843819609 49773222187 75969654917 111032572571 1443423443423