23239409476 has 12 divisors (see below), whose sum is σ = 41768128108. Its totient is φ = 11305658592.

The previous prime is 23239409471. The next prime is 23239409509. The reversal of 23239409476 is 67490493232.

It can be written as a sum of positive squares in 2 ways, for example, as 12501476100 + 10737933376 = 111810^2 + 103624^2 .

It is not an unprimeable number, because it can be changed into a prime (23239409471) 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, 78511371 + ... + 78511666.

Almost surely, 2^23239409476 is an apocalyptic number.

It is an amenable number.

23239409476 is a deficient number, since it is larger than the sum of its proper divisors (18528718632).

23239409476 is a wasteful number, since it uses less digits than its factorization.

23239409476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157023078 (or 157023076 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 49.

The spelling of 23239409476 in words is "twenty-three billion, two hundred thirty-nine million, four hundred nine thousand, four hundred seventy-six".