123303212333031 has 4 divisors (see below), whose sum is σ = 164404283110712. Its totient is φ = 82202141555352.

The previous prime is 123303212332967. The next prime is 123303212333039. The reversal of 123303212333031 is 130333212303321.

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

It is not a de Polignac number, because 123303212333031 - 2⁶ = 123303212332967 is a prime.

It is a super-2 number, since 2×123303212333031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123303212333031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123303212333039) 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, 20550535388836 + ... + 20550535388841.

It is an arithmetic number, because the mean of its divisors is an integer number (41101070777678).

Almost surely, 2^{123303212333031} is an apocalyptic number.

123303212333031 is a deficient number, since it is larger than the sum of its proper divisors (41101070777681).

123303212333031 is an equidigital number, since it uses as much as digits as its factorization.

123303212333031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41101070777680.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 123303212333031 its reverse (130333212303321), we get a palindrome (253636424636352).

The spelling of 123303212333031 in words is "one hundred twenty-three trillion, three hundred three billion, two hundred twelve million, three hundred thirty-three thousand, thirty-one".