123231259 has 2 divisors, whose sum is σ = 123231260. Its totient is φ = 123231258.

The previous prime is 123231257. The next prime is 123231271. The reversal of 123231259 is 952132321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123231259 - 2¹ = 123231257 is a prime.

Together with 123231257, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (123231257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61615629 + 61615630.

It is an arithmetic number, because the mean of its divisors is an integer number (61615630).

Almost surely, 2^123231259 is an apocalyptic number.

123231259 is a deficient number, since it is larger than the sum of its proper divisors (1).

123231259 is an equidigital number, since it uses as much as digits as its factorization.

123231259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 123231259 is about 11100.9575713089. The cubic root of 123231259 is about 497.6304670326.

The spelling of 123231259 in words is "one hundred twenty-three million, two hundred thirty-one thousand, two hundred fifty-nine".