23012525040 has 40 divisors (see below), whose sum is σ = 71338828368. Its totient is φ = 6136673280.

The previous prime is 23012524993. The next prime is 23012525057. The reversal of 23012525040 is 4052521032.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23012525040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47942521 + ... + 47943000.

Almost surely, 2^23012525040 is an apocalyptic number.

23012525040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23012525040 is an abundant number, since it is smaller than the sum of its proper divisors (48326303328).

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

23012525040 is a wasteful number, since it uses less digits than its factorization.

23012525040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95885537 (or 95885531 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 23012525040 in words is "twenty-three billion, twelve million, five hundred twenty-five thousand, forty".