123230133010331 has 4 divisors (see below), whose sum is σ = 125318779332600. Its totient is φ = 121141486688064.

The previous prime is 123230133010289. The next prime is 123230133010487. The reversal of 123230133010331 is 133010331032321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123230133010331 is a prime.

It is a super-2 number, since 2×123230133010331² (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 123230133010331.

It is not an unprimeable number, because it can be changed into a prime (123230133010531) 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, 1044323161046 + ... + 1044323161163.

It is an arithmetic number, because the mean of its divisors is an integer number (31329694833150).

Almost surely, 2^{123230133010331} is an apocalyptic number.

123230133010331 is a deficient number, since it is larger than the sum of its proper divisors (2088646322269).

123230133010331 is an equidigital number, since it uses as much as digits as its factorization.

123230133010331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088646322268.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 123230133010331 its reverse (133010331032321), we get a palindrome (256240464042652).

The spelling of 123230133010331 in words is "one hundred twenty-three trillion, two hundred thirty billion, one hundred thirty-three million, ten thousand, three hundred thirty-one".