23504097929 has 4 divisors (see below), whose sum is σ = 25312105476. Its totient is φ = 21696090384.

The previous prime is 23504097907. The next prime is 23504097931. The reversal of 23504097929 is 92979040532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12787086400 + 10717011529 = 113080^2 + 103523^2 .

It is a cyclic number.

It is not a de Polignac number, because 23504097929 - 2¹⁶ = 23504032393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23504097989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904003754 + ... + 904003779.

It is an arithmetic number, because the mean of its divisors is an integer number (6328026369).

Almost surely, 2^23504097929 is an apocalyptic number.

It is an amenable number.

23504097929 is a deficient number, since it is larger than the sum of its proper divisors (1808007547).

23504097929 is a wasteful number, since it uses less digits than its factorization.

23504097929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808007546.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 23504097929 in words is "twenty-three billion, five hundred four million, ninety-seven thousand, nine hundred twenty-nine".