123231311321233 has 8 divisors (see below), whose sum is σ = 126231731218208. Its totient is φ = 120237008490144.

The previous prime is 123231311321227. The next prime is 123231311321257. The reversal of 123231311321233 is 332123113132321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123231311321233 - 2¹⁷ = 123231311190161 is a prime.

It is a super-2 number, since 2×123231311321233² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123231311321195 and 123231311321204.

It is not an unprimeable number, because it can be changed into a prime (123231311321333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529225691 + ... + 1529306272.

It is an arithmetic number, because the mean of its divisors is an integer number (15778966402276).

Almost surely, 2^{123231311321233} is an apocalyptic number.

It is an amenable number.

123231311321233 is a deficient number, since it is larger than the sum of its proper divisors (3000419896975).

123231311321233 is an equidigital number, since it uses as much as digits as its factorization.

123231311321233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058532943.

The product of its digits is 11664, while the sum is 31.

Adding to 123231311321233 its reverse (332123113132321), we get a palindrome (455354424453554).

The spelling of 123231311321233 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, three hundred eleven million, three hundred twenty-one thousand, two hundred thirty-three".