23539950929 has 6 divisors (see below), whose sum is σ = 25874491650. Its totient is φ = 21399955280.

The previous prime is 23539950853. The next prime is 23539950997. The reversal of 23539950929 is 92905993532.

It can be written as a sum of positive squares in only one way, i.e., 22899860929 + 640090000 = 151327^2 + 25300^2 .

It is not a de Polignac number, because 23539950929 - 2²⁸ = 23271515473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23539953929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97272404 + ... + 97272645.

It is an arithmetic number, because the mean of its divisors is an integer number (4312415275).

Almost surely, 2^23539950929 is an apocalyptic number.

It is an amenable number.

23539950929 is a deficient number, since it is larger than the sum of its proper divisors (2334540721).

23539950929 is a wasteful number, since it uses less digits than its factorization.

23539950929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194545071 (or 194545060 counting only the distinct ones).

The product of its (nonzero) digits is 5904900, while the sum is 56.

The spelling of 23539950929 in words is "twenty-three billion, five hundred thirty-nine million, nine hundred fifty thousand, nine hundred twenty-nine".