123320403224331 has 4 divisors (see below), whose sum is σ = 164427204299112. Its totient is φ = 82213602149552.

The previous prime is 123320403224327. The next prime is 123320403224393. The reversal of 123320403224331 is 133422304023321.

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 123320403224331 - 2² = 123320403224327 is a prime.

It is a super-2 number, since 2×123320403224331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123320403224292 and 123320403224301.

It is not an unprimeable number, because it can be changed into a prime (123320403224131) 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, 20553400537386 + ... + 20553400537391.

It is an arithmetic number, because the mean of its divisors is an integer number (41106801074778).

Almost surely, 2^{123320403224331} is an apocalyptic number.

123320403224331 is a deficient number, since it is larger than the sum of its proper divisors (41106801074781).

123320403224331 is an equidigital number, since it uses as much as digits as its factorization.

123320403224331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41106801074780.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 123320403224331 its reverse (133422304023321), we get a palindrome (256742707247652).

The spelling of 123320403224331 in words is "one hundred twenty-three trillion, three hundred twenty billion, four hundred three million, two hundred twenty-four thousand, three hundred thirty-one".