123299459 has 2 divisors, whose sum is σ = 123299460. Its totient is φ = 123299458.

The previous prime is 123299413. The next prime is 123299461. The reversal of 123299459 is 954992321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123299459 - 2¹⁶ = 123233923 is a prime.

Together with 123299461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123299959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61649729 + 61649730.

It is an arithmetic number, because the mean of its divisors is an integer number (61649730).

Almost surely, 2^123299459 is an apocalyptic number.

123299459 is a deficient number, since it is larger than the sum of its proper divisors (1).

123299459 is an equidigital number, since it uses as much as digits as its factorization.

123299459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 44.

The square root of 123299459 is about 11104.0289534925. The cubic root of 123299459 is about 497.7222514797.

The spelling of 123299459 in words is "one hundred twenty-three million, two hundred ninety-nine thousand, four hundred fifty-nine".