123315012334331 has 4 divisors (see below), whose sum is σ = 123315354631632. Its totient is φ = 123314670037032.

The previous prime is 123315012334259. The next prime is 123315012334333. The reversal of 123315012334331 is 133433210513321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123315012334331 - 2³⁸ = 123040134427387 is a prime.

It is a super-3 number, since 3×123315012334331³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123315012334291 and 123315012334300.

It is not an unprimeable number, because it can be changed into a prime (123315012334333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170607695 + ... + 171328968.

It is an arithmetic number, because the mean of its divisors is an integer number (30828838657908).

Almost surely, 2^{123315012334331} is an apocalyptic number.

123315012334331 is a deficient number, since it is larger than the sum of its proper divisors (342297301).

123315012334331 is an equidigital number, since it uses as much as digits as its factorization.

123315012334331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342297300.

The product of its (nonzero) digits is 58320, while the sum is 35.

Adding to 123315012334331 its reverse (133433210513321), we get a palindrome (256748222847652).

The spelling of 123315012334331 in words is "one hundred twenty-three trillion, three hundred fifteen billion, twelve million, three hundred thirty-four thousand, three hundred thirty-one".