123032213233021 has 4 divisors (see below), whose sum is σ = 123032639933500. Its totient is φ = 123031786532544.

The previous prime is 123032213233001. The next prime is 123032213233103. The reversal of 123032213233021 is 120332312230321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116112477802500 + 6919735430521 = 10775550^2 + 2630539^2 .

It is a cyclic number.

It is not a de Polignac number, because 123032213233021 - 2⁵ = 123032213232989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123032213233001) 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, 212917446 + ... + 213494503.

It is an arithmetic number, because the mean of its divisors is an integer number (30758159983375).

Almost surely, 2^{123032213233021} is an apocalyptic number.

It is an amenable number.

123032213233021 is a deficient number, since it is larger than the sum of its proper divisors (426700479).

123032213233021 is an equidigital number, since it uses as much as digits as its factorization.

123032213233021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426700478.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 123032213233021 its reverse (120332312230321), we get a palindrome (243364525463342).

The spelling of 123032213233021 in words is "one hundred twenty-three trillion, thirty-two billion, two hundred thirteen million, two hundred thirty-three thousand, twenty-one".