123301331205151 has 64 divisors (see below), whose sum is σ = 140684221440000. Its totient is φ = 107095992606720.

The previous prime is 123301331205137. The next prime is 123301331205163. The reversal of 123301331205151 is 151502133103321.

It is a cyclic number.

It is not a de Polignac number, because 123301331205151 - 2³⁷ = 123163892251679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123301331275151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4155882945 + ... + 4155912613.

It is an arithmetic number, because the mean of its divisors is an integer number (2198190960000).

Almost surely, 2^{123301331205151} is an apocalyptic number.

123301331205151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123301331205151 is a deficient number, since it is larger than the sum of its proper divisors (17382890234849).

123301331205151 is a wasteful number, since it uses less digits than its factorization.

123301331205151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30952.

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 123301331205151 its reverse (151502133103321), we get a palindrome (274803464308472).

The spelling of 123301331205151 in words is "one hundred twenty-three trillion, three hundred one billion, three hundred thirty-one million, two hundred five thousand, one hundred fifty-one".