188211880123 has 2 divisors, whose sum is σ = 188211880124. Its totient is φ = 188211880122.

The previous prime is 188211880111. The next prime is 188211880133. The reversal of 188211880123 is 321088112881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 188211880123 - 2²⁹ = 187675009211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 188211880123.

It is not a weakly prime, because it can be changed into another prime (188211880133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94105940061 + 94105940062.

It is an arithmetic number, because the mean of its divisors is an integer number (94105940062).

Almost surely, 2^188211880123 is an apocalyptic number.

188211880123 is a deficient number, since it is larger than the sum of its proper divisors (1).

188211880123 is an equidigital number, since it uses as much as digits as its factorization.

188211880123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 43.

The spelling of 188211880123 in words is "one hundred eighty-eight billion, two hundred eleven million, eight hundred eighty thousand, one hundred twenty-three".