191413600123 has 2 divisors, whose sum is σ = 191413600124. Its totient is φ = 191413600122.

The previous prime is 191413600039. The next prime is 191413600151. The reversal of 191413600123 is 321006314191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 191413600123 - 2¹³ = 191413591931 is a prime.

It is not a weakly prime, because it can be changed into another prime (191413600193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95706800061 + 95706800062.

It is an arithmetic number, because the mean of its divisors is an integer number (95706800062).

Almost surely, 2^191413600123 is an apocalyptic number.

191413600123 is a deficient number, since it is larger than the sum of its proper divisors (1).

191413600123 is an equidigital number, since it uses as much as digits as its factorization.

191413600123 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 31.

The spelling of 191413600123 in words is "one hundred ninety-one billion, four hundred thirteen million, six hundred thousand, one hundred twenty-three".