123032250115157 has 2 divisors, whose sum is σ = 123032250115158. Its totient is φ = 123032250115156.

The previous prime is 123032250115139. The next prime is 123032250115163. The reversal of 123032250115157 is 751511052230321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112520350368721 + 10511899746436 = 10607561^2 + 3242206^2 .

It is a cyclic number.

It is not a de Polignac number, because 123032250115157 - 2⁴⁴ = 105440064070741 is a prime.

It is a super-2 number, since 2×123032250115157² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123032250115157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123032250112157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61516125057578 + 61516125057579.

It is an arithmetic number, because the mean of its divisors is an integer number (61516125057579).

Almost surely, 2^{123032250115157} is an apocalyptic number.

It is an amenable number.

123032250115157 is a deficient number, since it is larger than the sum of its proper divisors (1).

123032250115157 is an equidigital number, since it uses as much as digits as its factorization.

123032250115157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 123032250115157 in words is "one hundred twenty-three trillion, thirty-two billion, two hundred fifty million, one hundred fifteen thousand, one hundred fifty-seven".