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1214040423 = 3523773767
BaseRepresentation
bin100100001011100…
…1100100101100111
310010121102122101010
41020113030211213
54441243243143
6320245033303
742041113311
oct11027144547
93117378333
101214040423
115733265a2
1229a6b5833
1316469c11b
14b73467b1
15718b0a33
hex485cc967

1214040423 has 8 divisors (see below), whose sum is σ = 1621817728. Its totient is φ = 807811704.

The previous prime is 1214040407. The next prime is 1214040439. The reversal of 1214040423 is 3240404121.

It is an interprime number because it is at equal distance from previous prime (1214040407) and next prime (1214040439).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1214040423 - 24 = 1214040407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1214040423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214040493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385315 + ... + 388452.

It is an arithmetic number, because the mean of its divisors is an integer number (202727216).

Almost surely, 21214040423 is an apocalyptic number.

1214040423 is a deficient number, since it is larger than the sum of its proper divisors (407777305).

1214040423 is an equidigital number, since it uses as much as digits as its factorization.

1214040423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774293.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1214040423 is about 34843.0828572903. The cubic root of 1214040423 is about 1066.7870027107.

Adding to 1214040423 its reverse (3240404121), we get a palindrome (4454444544).

The spelling of 1214040423 in words is "one billion, two hundred fourteen million, forty thousand, four hundred twenty-three".

Divisors: 1 3 523 1569 773767 2321301 404680141 1214040423