188369245439923 has 2 divisors, whose sum is σ = 188369245439924. Its totient is φ = 188369245439922.

The previous prime is 188369245439891. The next prime is 188369245439957. The reversal of 188369245439923 is 329934542963881.

188369245439923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 188369245439923 - 2⁵ = 188369245439891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 188369245439923.

It is not a weakly prime, because it can be changed into another prime (188369245439983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94184622719961 + 94184622719962.

It is an arithmetic number, because the mean of its divisors is an integer number (94184622719962).

Almost surely, 2^{188369245439923} is an apocalyptic number.

188369245439923 is a deficient number, since it is larger than the sum of its proper divisors (1).

188369245439923 is an equidigital number, since it uses as much as digits as its factorization.

188369245439923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2418647040, while the sum is 76.

The spelling of 188369245439923 in words is "one hundred eighty-eight trillion, three hundred sixty-nine billion, two hundred forty-five million, four hundred thirty-nine thousand, nine hundred twenty-three".