188457952231 has 2 divisors, whose sum is σ = 188457952232. Its totient is φ = 188457952230.

The previous prime is 188457952217. The next prime is 188457952237. The reversal of 188457952231 is 132259754881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 188457952231 - 2¹⁷ = 188457821159 is a prime.

It is a super-2 number, since 2×188457952231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188457952237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94228976115 + 94228976116.

It is an arithmetic number, because the mean of its divisors is an integer number (94228976116).

Almost surely, 2^188457952231 is an apocalyptic number.

188457952231 is a deficient number, since it is larger than the sum of its proper divisors (1).

188457952231 is an equidigital number, since it uses as much as digits as its factorization.

188457952231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 55.

The spelling of 188457952231 in words is "one hundred eighty-eight billion, four hundred fifty-seven million, nine hundred fifty-two thousand, two hundred thirty-one".