133023321123231 has 128 divisors (see below), whose sum is σ = 242615070720000. Its totient is φ = 62721497180160.

The previous prime is 133023321123227. The next prime is 133023321123247. The reversal of 133023321123231 is 132321123320331.

It is not a de Polignac number, because 133023321123231 - 2² = 133023321123227 is a prime.

It is a super-2 number, since 2×133023321123231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133023321123211) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8354145 + ... + 18325893.

It is an arithmetic number, because the mean of its divisors is an integer number (1895430240000).

Almost surely, 2^{133023321123231} is an apocalyptic number.

133023321123231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133023321123231 is a deficient number, since it is larger than the sum of its proper divisors (109591749596769).

133023321123231 is a wasteful number, since it uses less digits than its factorization.

133023321123231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9971909.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 133023321123231 its reverse (132321123320331), we get a palindrome (265344444443562).

The spelling of 133023321123231 in words is "one hundred thirty-three trillion, twenty-three billion, three hundred twenty-one million, one hundred twenty-three thousand, two hundred thirty-one".