123315332031151 has 16 divisors (see below), whose sum is σ = 132867614303424. Its totient is φ = 113772556214784.

The previous prime is 123315332031077. The next prime is 123315332031193. The reversal of 123315332031151 is 151130233513321.

It is a cyclic number.

It is not a de Polignac number, because 123315332031151 - 2³⁵ = 123280972292783 is a prime.

It is a super-2 number, since 2×123315332031151² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123315332034151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374593741 + ... + 374922793.

It is an arithmetic number, because the mean of its divisors is an integer number (8304225893964).

Almost surely, 2^{123315332031151} is an apocalyptic number.

123315332031151 is a deficient number, since it is larger than the sum of its proper divisors (9552282272273).

123315332031151 is a wasteful number, since it uses less digits than its factorization.

123315332031151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343410.

The product of its (nonzero) digits is 24300, while the sum is 34.

Adding to 123315332031151 its reverse (151130233513321), we get a palindrome (274445565544472).

The spelling of 123315332031151 in words is "one hundred twenty-three trillion, three hundred fifteen billion, three hundred thirty-two million, thirty-one thousand, one hundred fifty-one".