23057293539 has 12 divisors (see below), whose sum is σ = 35762333064. Its totient is φ = 13175596224.

The previous prime is 23057293489. The next prime is 23057293541. The reversal of 23057293539 is 93539275032.

It is not a de Polignac number, because 23057293539 - 2¹³ = 23057285347 is a prime.

It is a super-2 number, since 2×23057293539² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23057293549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78426022 + ... + 78426315.

It is an arithmetic number, because the mean of its divisors is an integer number (2980194422).

Almost surely, 2^23057293539 is an apocalyptic number.

23057293539 is a deficient number, since it is larger than the sum of its proper divisors (12705039525).

23057293539 is a wasteful number, since it uses less digits than its factorization.

23057293539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156852354 (or 156852347 counting only the distinct ones).

The product of its (nonzero) digits is 1530900, while the sum is 48.

The spelling of 23057293539 in words is "twenty-three billion, fifty-seven million, two hundred ninety-three thousand, five hundred thirty-nine".