23188551050 has 24 divisors (see below), whose sum is σ = 49292234976. Its totient is φ = 7950360240.

The previous prime is 23188551049. The next prime is 23188551053. The reversal of 23188551050 is 5015588132.

It is a super-2 number, since 2×23188551050² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23188550995 and 23188551013.

It is not an unprimeable number, because it can be changed into a prime (23188551053) 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, 33126152 + ... + 33126851.

It is an arithmetic number, because the mean of its divisors is an integer number (2053843124).

Almost surely, 2^23188551050 is an apocalyptic number.

23188551050 is an abundant number, since it is smaller than the sum of its proper divisors (26103683926).

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

23188551050 is a wasteful number, since it uses less digits than its factorization.

23188551050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66253022 (or 66253017 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 38.

The spelling of 23188551050 in words is "twenty-three billion, one hundred eighty-eight million, five hundred fifty-one thousand, fifty".