123315332031193 has 2 divisors, whose sum is σ = 123315332031194. Its totient is φ = 123315332031192.

The previous prime is 123315332031077. The next prime is 123315332031253. The reversal of 123315332031193 is 391130233513321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63392297477184 + 59923034554009 = 7961928^2 + 7740997^2 .

It is a cyclic number.

It is not a de Polignac number, because 123315332031193 - 2¹⁷ = 123315331900121 is a prime.

It is a super-2 number, since 2×123315332031193² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123315332031293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61657666015596 + 61657666015597.

It is an arithmetic number, because the mean of its divisors is an integer number (61657666015597).

Almost surely, 2^{123315332031193} is an apocalyptic number.

It is an amenable number.

123315332031193 is a deficient number, since it is larger than the sum of its proper divisors (1).

123315332031193 is an equidigital number, since it uses as much as digits as its factorization.

123315332031193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 40.

The spelling of 123315332031193 in words is "one hundred twenty-three trillion, three hundred fifteen billion, three hundred thirty-two million, thirty-one thousand, one hundred ninety-three".