123231130010231 has 4 divisors (see below), whose sum is σ = 123232879951152. Its totient is φ = 123229380069312.

The previous prime is 123231130010227. The next prime is 123231130010273. The reversal of 123231130010231 is 132010031132321.

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 123231130010231 - 2² = 123231130010227 is a prime.

It is a super-2 number, since 2×123231130010231² (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 = 123231130010197 and 123231130010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123231133010231) 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, 874864826 + ... + 875005671.

It is an arithmetic number, because the mean of its divisors is an integer number (30808219987788).

Almost surely, 2^{123231130010231} is an apocalyptic number.

123231130010231 is a deficient number, since it is larger than the sum of its proper divisors (1749940921).

123231130010231 is an equidigital number, since it uses as much as digits as its factorization.

123231130010231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749940920.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 123231130010231 its reverse (132010031132321), we get a palindrome (255241161142552).

The spelling of 123231130010231 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, one hundred thirty million, ten thousand, two hundred thirty-one".