123313255452511 has 12 divisors (see below), whose sum is σ = 129032324176800. Its totient is φ = 117824833638720.

The previous prime is 123313255452509. The next prime is 123313255452521. The reversal of 123313255452511 is 115254552313321.

It is not a de Polignac number, because 123313255452511 - 2¹ = 123313255452509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123313255452521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 812061066 + ... + 812212903.

It is an arithmetic number, because the mean of its divisors is an integer number (10752693681400).

Almost surely, 2^{123313255452511} is an apocalyptic number.

123313255452511 is a deficient number, since it is larger than the sum of its proper divisors (5719068724289).

123313255452511 is an equidigital number, since it uses as much as digits as its factorization.

123313255452511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624274110 (or 1624274079 counting only the distinct ones).

The product of its digits is 540000, while the sum is 43.

The spelling of 123313255452511 in words is "one hundred twenty-three trillion, three hundred thirteen billion, two hundred fifty-five million, four hundred fifty-two thousand, five hundred eleven".