123310113015 has 32 divisors (see below), whose sum is σ = 198939856896. Its totient is φ = 65218982400.

The previous prime is 123310112987. The next prime is 123310113029. The reversal of 123310113015 is 510311013321.

It is not a de Polignac number, because 123310113015 - 2⁶ = 123310112951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123310112982 and 123310113000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1297242 + ... + 1389048.

It is an arithmetic number, because the mean of its divisors is an integer number (6216870528).

Almost surely, 2^123310113015 is an apocalyptic number.

123310113015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123310113015 is a deficient number, since it is larger than the sum of its proper divisors (75629743881).

123310113015 is a wasteful number, since it uses less digits than its factorization.

123310113015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92559.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 123310113015 its reverse (510311013321), we get a palindrome (633621126336).

The spelling of 123310113015 in words is "one hundred twenty-three billion, three hundred ten million, one hundred thirteen thousand, fifteen".