23040645100 has 36 divisors (see below), whose sum is σ = 54543493368. Its totient is φ = 8378416000.

The previous prime is 23040645079. The next prime is 23040645101. The reversal of 23040645100 is 154604032.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (23040645101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10471921 + ... + 10474120.

It is an arithmetic number, because the mean of its divisors is an integer number (1515097038).

Almost surely, 2^23040645100 is an apocalyptic number.

23040645100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23040645100 is an abundant number, since it is smaller than the sum of its proper divisors (31502848268).

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

23040645100 is a wasteful number, since it uses less digits than its factorization.

23040645100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20946066 (or 20946059 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 23040645100 in words is "twenty-three billion, forty million, six hundred forty-five thousand, one hundred".