190118100923 has 2 divisors, whose sum is σ = 190118100924. Its totient is φ = 190118100922.

The previous prime is 190118100899. The next prime is 190118100929. The reversal of 190118100923 is 329001811091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190118100923 - 2²⁰ = 190117052347 is a prime.

It is a super-2 number, since 2×190118100923² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190118100929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95059050461 + 95059050462.

It is an arithmetic number, because the mean of its divisors is an integer number (95059050462).

Almost surely, 2^190118100923 is an apocalyptic number.

190118100923 is a deficient number, since it is larger than the sum of its proper divisors (1).

190118100923 is an equidigital number, since it uses as much as digits as its factorization.

190118100923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 190118100923 in words is "one hundred ninety billion, one hundred eighteen million, one hundred thousand, nine hundred twenty-three".