123320031033233 has 4 divisors (see below), whose sum is σ = 126653004844980. Its totient is φ = 119987057221488.

The previous prime is 123320031033229. The next prime is 123320031033247. The reversal of 123320031033233 is 332330130023321.

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 118668516546064 + 4651514487169 = 10893508^2 + 2156737^2 .

It is a cyclic number.

It is not a de Polignac number, because 123320031033233 - 2² = 123320031033229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123320031033196 and 123320031033205.

It is not an unprimeable number, because it can be changed into a prime (123320031033203) 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, 1666486905818 + ... + 1666486905891.

It is an arithmetic number, because the mean of its divisors is an integer number (31663251211245).

Almost surely, 2^{123320031033233} is an apocalyptic number.

It is an amenable number.

123320031033233 is a deficient number, since it is larger than the sum of its proper divisors (3332973811747).

123320031033233 is an equidigital number, since it uses as much as digits as its factorization.

123320031033233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332973811746.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 123320031033233 its reverse (332330130023321), we get a palindrome (455650161056554).

The spelling of 123320031033233 in words is "one hundred twenty-three trillion, three hundred twenty billion, thirty-one million, thirty-three thousand, two hundred thirty-three".