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1444121323 = 2985358379
BaseRepresentation
bin101011000010011…
…1000101011101011
310201122100222000221
41112010320223223
510424143340243
6355144310511
750533554151
oct12604705353
93648328027
101444121323
116811947a7
12343772437
131a0259178
14d9b193d1
1586bacbed
hex56138aeb

1444121323 has 8 divisors (see below), whose sum is σ = 1495695600. Its totient is φ = 1392665568.

The previous prime is 1444121303. The next prime is 1444121333. The reversal of 1444121323 is 3231214441.

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

It is a cyclic number.

It is not a de Polignac number, because 1444121323 - 213 = 1444113131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444121303) 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, 4453 + ... + 53926.

It is an arithmetic number, because the mean of its divisors is an integer number (186961950).

Almost surely, 21444121323 is an apocalyptic number.

1444121323 is a deficient number, since it is larger than the sum of its proper divisors (51574277).

1444121323 is an equidigital number, since it uses as much as digits as its factorization.

1444121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59261.

The product of its digits is 2304, while the sum is 25.

The square root of 1444121323 is about 38001.5963217336. The cubic root of 1444121323 is about 1130.3195178105.

Adding to 1444121323 its reverse (3231214441), we get a palindrome (4675335764).

The spelling of 1444121323 in words is "one billion, four hundred forty-four million, one hundred twenty-one thousand, three hundred twenty-three".

Divisors: 1 29 853 24737 58379 1692991 49797287 1444121323