123012230220331 has 4 divisors (see below), whose sum is σ = 123018871292152. Its totient is φ = 123005589148512.

The previous prime is 123012230220317. The next prime is 123012230220353. The reversal of 123012230220331 is 133022032210321.

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 123012230220331 - 2³⁹ = 122462474406443 is a prime.

It is a super-2 number, since 2×123012230220331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123012230220296 and 123012230220305.

It is not an unprimeable number, because it can be changed into a prime (123012230220371) 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, 3320508126 + ... + 3320545171.

It is an arithmetic number, because the mean of its divisors is an integer number (30754717823038).

Almost surely, 2^{123012230220331} is an apocalyptic number.

123012230220331 is a deficient number, since it is larger than the sum of its proper divisors (6641071821).

123012230220331 is an equidigital number, since it uses as much as digits as its factorization.

123012230220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6641071820.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 123012230220331 its reverse (133022032210321), we get a palindrome (256034262430652).

The spelling of 123012230220331 in words is "one hundred twenty-three trillion, twelve billion, two hundred thirty million, two hundred twenty thousand, three hundred thirty-one".