23088791940 has 48 divisors (see below), whose sum is σ = 66734062080. Its totient is φ = 5958397440.

The previous prime is 23088791939. The next prime is 23088791941. The reversal of 23088791940 is 4919788032.

It is an interprime number because it is at equal distance from previous prime (23088791939) and next prime (23088791941).

It is not an unprimeable number, because it can be changed into a prime (23088791941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6204805 + ... + 6208524.

It is an arithmetic number, because the mean of its divisors is an integer number (1390292960).

Almost surely, 2^23088791940 is an apocalyptic number.

23088791940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23088791940 is an abundant number, since it is smaller than the sum of its proper divisors (43645270140).

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

23088791940 is a wasteful number, since it uses less digits than its factorization.

23088791940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12413372 (or 12413370 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 23088791940 in words is "twenty-three billion, eighty-eight million, seven hundred ninety-one thousand, nine hundred forty".