23173896929 has 4 divisors (see below), whose sum is σ = 23189358000. Its totient is φ = 23158435860.

The previous prime is 23173896901. The next prime is 23173896947. The reversal of 23173896929 is 92969837132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23173896929 - 2²⁸ = 22905461473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23173896989) 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 3 ways as a sum of consecutive naturals, for example, 7728287 + ... + 7731284.

It is an arithmetic number, because the mean of its divisors is an integer number (5797339500).

Almost surely, 2^23173896929 is an apocalyptic number.

It is an amenable number.

23173896929 is a deficient number, since it is larger than the sum of its proper divisors (15461071).

23173896929 is a wasteful number, since it uses less digits than its factorization.

23173896929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15461070.

The product of its digits is 8817984, while the sum is 59.

The spelling of 23173896929 in words is "twenty-three billion, one hundred seventy-three million, eight hundred ninety-six thousand, nine hundred twenty-nine".