123321323133231 has 32 divisors (see below), whose sum is σ = 171221923970496. Its totient is φ = 78884065920000.

The previous prime is 123321323133179. The next prime is 123321323133263. The reversal of 123321323133231 is 132331323123321.

It is not a de Polignac number, because 123321323133231 - 2⁶ = 123321323133167 is a prime.

It is a super-2 number, since 2×123321323133231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123321323133192 and 123321323133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123321323133731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58241065 + ... + 60321341.

It is an arithmetic number, because the mean of its divisors is an integer number (5350685124078).

Almost surely, 2^{123321323133231} is an apocalyptic number.

123321323133231 is a deficient number, since it is larger than the sum of its proper divisors (47900600837265).

123321323133231 is a wasteful number, since it uses less digits than its factorization.

123321323133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088283.

The product of its digits is 34992, while the sum is 33.

Adding to 123321323133231 its reverse (132331323123321), we get a palindrome (255652646256552).

The spelling of 123321323133231 in words is "one hundred twenty-three trillion, three hundred twenty-one billion, three hundred twenty-three million, one hundred thirty-three thousand, two hundred thirty-one".