123301221023213 has 4 divisors (see below), whose sum is σ = 123317645863680. Its totient is φ = 123284796182748.

The previous prime is 123301221023147. The next prime is 123301221023231. The reversal of 123301221023213 is 312320122103321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123301221023213 - 2¹² = 123301221019117 is a prime.

It is a super-2 number, since 2×123301221023213² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123301221023263) 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, 8212408973 + ... + 8212423986.

It is an arithmetic number, because the mean of its divisors is an integer number (30829411465920).

Almost surely, 2^{123301221023213} is an apocalyptic number.

It is an amenable number.

123301221023213 is a deficient number, since it is larger than the sum of its proper divisors (16424840467).

123301221023213 is an equidigital number, since it uses as much as digits as its factorization.

123301221023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16424840466.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 123301221023213 its reverse (312320122103321), we get a palindrome (435621343126534).

The spelling of 123301221023213 in words is "one hundred twenty-three trillion, three hundred one billion, two hundred twenty-one million, twenty-three thousand, two hundred thirteen".