123402299 has 2 divisors, whose sum is σ = 123402300. Its totient is φ = 123402298.

The previous prime is 123402277. The next prime is 123402311. The reversal of 123402299 is 992204321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123402299 - 2⁸ = 123402043 is a prime.

It is not a weakly prime, because it can be changed into another prime (123402229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61701149 + 61701150.

It is an arithmetic number, because the mean of its divisors is an integer number (61701150).

Almost surely, 2^123402299 is an apocalyptic number.

123402299 is a deficient number, since it is larger than the sum of its proper divisors (1).

123402299 is an equidigital number, since it uses as much as digits as its factorization.

123402299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 123402299 is about 11108.6587399200. The cubic root of 123402299 is about 497.8605909138.

The spelling of 123402299 in words is "one hundred twenty-three million, four hundred two thousand, two hundred ninety-nine".