123551003015252 has 6 divisors (see below), whose sum is σ = 216214255276698. Its totient is φ = 61775501507624.

The previous prime is 123551003015243. The next prime is 123551003015261. The reversal of 123551003015252 is 252510300155321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123551003015243) and next prime (123551003015261).

It can be written as a sum of positive squares in only one way, i.e., 123529976275216 + 21026740036 = 11114404^2 + 145006^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15443875376903 + ... + 15443875376910.

It is an arithmetic number, because the mean of its divisors is an integer number (36035709212783).

Almost surely, 2^{123551003015252} is an apocalyptic number.

It is an amenable number.

123551003015252 is a deficient number, since it is larger than the sum of its proper divisors (92663252261446).

123551003015252 is a wasteful number, since it uses less digits than its factorization.

123551003015252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30887750753817 (or 30887750753815 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 123551003015252 in words is "one hundred twenty-three trillion, five hundred fifty-one billion, three million, fifteen thousand, two hundred fifty-two".