23357581329 has 16 divisors (see below), whose sum is σ = 31192584192. Its totient is φ = 15547174608.

The previous prime is 23357581321. The next prime is 23357581363. The reversal of 23357581329 is 92318575332.

It is a happy number.

It is not a de Polignac number, because 23357581329 - 2³ = 23357581321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23357581321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7725112 + ... + 7728134.

It is an arithmetic number, because the mean of its divisors is an integer number (1949536512).

Almost surely, 2^23357581329 is an apocalyptic number.

It is an amenable number.

23357581329 is a deficient number, since it is larger than the sum of its proper divisors (7835002863).

23357581329 is a wasteful number, since it uses less digits than its factorization.

23357581329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6236.

The product of its digits is 1360800, while the sum is 48.

The spelling of 23357581329 in words is "twenty-three billion, three hundred fifty-seven million, five hundred eighty-one thousand, three hundred twenty-nine".