123234431459 has 2 divisors, whose sum is σ = 123234431460. Its totient is φ = 123234431458.

The previous prime is 123234431431. The next prime is 123234431479. The reversal of 123234431459 is 954134432321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123234431459 is a prime.

It is not a weakly prime, because it can be changed into another prime (123234431479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61617215729 + 61617215730.

It is an arithmetic number, because the mean of its divisors is an integer number (61617215730).

Almost surely, 2^123234431459 is an apocalyptic number.

123234431459 is a deficient number, since it is larger than the sum of its proper divisors (1).

123234431459 is an equidigital number, since it uses as much as digits as its factorization.

123234431459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 41.

The spelling of 123234431459 in words is "one hundred twenty-three billion, two hundred thirty-four million, four hundred thirty-one thousand, four hundred fifty-nine".