123340133230231 has 4 divisors (see below), whose sum is σ = 123340362018912. Its totient is φ = 123339904441552.

The previous prime is 123340133230229. The next prime is 123340133230273. The reversal of 123340133230231 is 132032331043321.

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 123340133230231 - 2¹ = 123340133230229 is a prime.

It is a super-2 number, since 2×123340133230231² (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 = 123340133230193 and 123340133230202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123340133237231) 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, 113583775 + ... + 114664528.

It is an arithmetic number, because the mean of its divisors is an integer number (30835090504728).

Almost surely, 2^{123340133230231} is an apocalyptic number.

123340133230231 is a deficient number, since it is larger than the sum of its proper divisors (228788681).

123340133230231 is an equidigital number, since it uses as much as digits as its factorization.

123340133230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228788680.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 123340133230231 its reverse (132032331043321), we get a palindrome (255372464273552).

The spelling of 123340133230231 in words is "one hundred twenty-three trillion, three hundred forty billion, one hundred thirty-three million, two hundred thirty thousand, two hundred thirty-one".