123013199 has 2 divisors, whose sum is σ = 123013200. Its totient is φ = 123013198.

The previous prime is 123013151. The next prime is 123013213. The reversal of 123013199 is 991310321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123013199 - 2⁸ = 123012943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123013129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506599 + 61506600.

It is an arithmetic number, because the mean of its divisors is an integer number (61506600).

Almost surely, 2^123013199 is an apocalyptic number.

123013199 is a deficient number, since it is larger than the sum of its proper divisors (1).

123013199 is an equidigital number, since it uses as much as digits as its factorization.

123013199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 123013199 is about 11091.1315473219. The cubic root of 123013199 is about 497.3367716154.

The spelling of 123013199 in words is "one hundred twenty-three million, thirteen thousand, one hundred ninety-nine".