1323100233231 has 32 divisors (see below), whose sum is σ = 2160671351808. Its totient is φ = 703639664640.

The previous prime is 1323100233227. The next prime is 1323100233269. The reversal of 1323100233231 is 1323320013231.

It is not a de Polignac number, because 1323100233231 - 2² = 1323100233227 is a prime.

It is a super-2 number, since 2×1323100233231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323100233331) 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, 37000210 + ... + 37035951.

It is an arithmetic number, because the mean of its divisors is an integer number (67520979744).

Almost surely, 2^{1323100233231} is an apocalyptic number.

1323100233231 is a deficient number, since it is larger than the sum of its proper divisors (837571118577).

1323100233231 is a wasteful number, since it uses less digits than its factorization.

1323100233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74036231.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1323100233231 its reverse (1323320013231), we get a palindrome (2646420246462).

The spelling of 1323100233231 in words is "one trillion, three hundred twenty-three billion, one hundred million, two hundred thirty-three thousand, two hundred thirty-one".