23506220636 has 12 divisors (see below), whose sum is σ = 41155368912. Its totient is φ = 11747543808.

The previous prime is 23506220609. The next prime is 23506220651. The reversal of 23506220636 is 63602260532.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23506220596 and 23506220605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382120 + ... + 1399023.

It is an arithmetic number, because the mean of its divisors is an integer number (3429614076).

Almost surely, 2^23506220636 is an apocalyptic number.

It is an amenable number.

23506220636 is a deficient number, since it is larger than the sum of its proper divisors (17649148276).

23506220636 is a wasteful number, since it uses less digits than its factorization.

23506220636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783260 (or 2783258 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 23506220636 in words is "twenty-three billion, five hundred six million, two hundred twenty thousand, six hundred thirty-six".