23215465636 has 24 divisors (see below), whose sum is σ = 44324663040. Its totient is φ = 10551477600.

The previous prime is 23215465631. The next prime is 23215465661. The reversal of 23215465636 is 63656451232.

It is a junction number, because it is equal to n+sod(n) for n = 23215465592 and 23215465601.

It is not an unprimeable number, because it can be changed into a prime (23215465631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636946 + ... + 672406.

It is an arithmetic number, because the mean of its divisors is an integer number (1846860960).

Almost surely, 2^23215465636 is an apocalyptic number.

It is an amenable number.

23215465636 is a deficient number, since it is larger than the sum of its proper divisors (21109197404).

23215465636 is a wasteful number, since it uses less digits than its factorization.

23215465636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50355 (or 50353 counting only the distinct ones).

The product of its digits is 777600, while the sum is 43.

The spelling of 23215465636 in words is "twenty-three billion, two hundred fifteen million, four hundred sixty-five thousand, six hundred thirty-six".