23438880188 has 12 divisors (see below), whose sum is σ = 41020942200. Its totient is φ = 11718610992.

The previous prime is 23438880161. The next prime is 23438880197. The reversal of 23438880188 is 88108883432.

It is a super-2 number, since 2×23438880188² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 141338 + ... + 258561.

It is an arithmetic number, because the mean of its divisors is an integer number (3418411850).

Almost surely, 2^23438880188 is an apocalyptic number.

It is an amenable number.

23438880188 is a deficient number, since it is larger than the sum of its proper divisors (17582062012).

23438880188 is a wasteful number, since it uses less digits than its factorization.

23438880188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414556 (or 414554 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 53.

The spelling of 23438880188 in words is "twenty-three billion, four hundred thirty-eight million, eight hundred eighty thousand, one hundred eighty-eight".