23001394040 has 32 divisors (see below), whose sum is σ = 51848847360. Its totient is φ = 9183542400.

The previous prime is 23001393983. The next prime is 23001394067. The reversal of 23001394040 is 4049310032.

It is a congruent number.

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, 509816 + ... + 553095.

It is an arithmetic number, because the mean of its divisors is an integer number (1620276480).

Almost surely, 2^23001394040 is an apocalyptic number.

23001394040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23001394040 is an abundant number, since it is smaller than the sum of its proper divisors (28847453320).

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

23001394040 is a wasteful number, since it uses less digits than its factorization.

23001394040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063463 (or 1063459 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 23001394040 in words is "twenty-three billion, one million, three hundred ninety-four thousand, forty".