23325733640 has 32 divisors (see below), whose sum is σ = 57254074560. Its totient is φ = 8482084800.

The previous prime is 23325733601. The next prime is 23325733661. The reversal of 23325733640 is 4633752332.

It is a junction number, because it is equal to n+sod(n) for n = 23325733594 and 23325733603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26506076 + ... + 26506955.

It is an arithmetic number, because the mean of its divisors is an integer number (1789189830).

Almost surely, 2^23325733640 is an apocalyptic number.

23325733640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23325733640 is an abundant number, since it is smaller than the sum of its proper divisors (33928340920).

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

23325733640 is a wasteful number, since it uses less digits than its factorization.

23325733640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53013053 (or 53013049 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 38.

The spelling of 23325733640 in words is "twenty-three billion, three hundred twenty-five million, seven hundred thirty-three thousand, six hundred forty".