23365015632644 has 96 divisors (see below), whose sum is σ = 49626203934720. Its totient is φ = 9402644892672.

The previous prime is 23365015632613. The next prime is 23365015632659. The reversal of 23365015632644 is 44623651056332.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23365015632592 and 23365015632601.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31457684 + ... + 32191860.

It is an arithmetic number, because the mean of its divisors is an integer number (516939624320).

Almost surely, 2^{23365015632644} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23365015632644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24813101967360).

23365015632644 is an abundant number, since it is smaller than the sum of its proper divisors (26261188302076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23365015632644 is a wasteful number, since it uses less digits than its factorization.

23365015632644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734737 (or 734735 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 50.

Adding to 23365015632644 its reverse (44623651056332), we get a palindrome (67988666688976).

The spelling of 23365015632644 in words is "twenty-three trillion, three hundred sixty-five billion, fifteen million, six hundred thirty-two thousand, six hundred forty-four".