123331002302231 has 4 divisors (see below), whose sum is σ = 124012389055464. Its totient is φ = 122649615549000.

The previous prime is 123331002302227. The next prime is 123331002302257. The reversal of 123331002302231 is 132203200133321.

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 123331002302231 - 2² = 123331002302227 is a prime.

It is a super-2 number, since 2×123331002302231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123331002302231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123331002332231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340693376345 + ... + 340693376706.

It is an arithmetic number, because the mean of its divisors is an integer number (31003097263866).

Almost surely, 2^{123331002302231} is an apocalyptic number.

123331002302231 is a deficient number, since it is larger than the sum of its proper divisors (681386753233).

123331002302231 is an equidigital number, since it uses as much as digits as its factorization.

123331002302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681386753232.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 123331002302231 its reverse (132203200133321), we get a palindrome (255534202435552).

The spelling of 123331002302231 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, two million, three hundred two thousand, two hundred thirty-one".