123424099 has 2 divisors, whose sum is σ = 123424100. Its totient is φ = 123424098.

The previous prime is 123424039. The next prime is 123424109. The reversal of 123424099 is 990424321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123424099 - 2²³ = 115035491 is a prime.

It is not a weakly prime, because it can be changed into another prime (123424039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61712049 + 61712050.

It is an arithmetic number, because the mean of its divisors is an integer number (61712050).

Almost surely, 2^123424099 is an apocalyptic number.

123424099 is a deficient number, since it is larger than the sum of its proper divisors (1).

123424099 is an equidigital number, since it uses as much as digits as its factorization.

123424099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 123424099 is about 11109.6399131565. The cubic root of 123424099 is about 497.8899062019.

The spelling of 123424099 in words is "one hundred twenty-three million, four hundred twenty-four thousand, ninety-nine".