123231231223010 has 16 divisors (see below), whose sum is σ = 225452547615672. Its totient is φ = 48484418841600.

The previous prime is 123231231222941. The next prime is 123231231223021. The reversal of 123231231223010 is 10322132132321.

It can be written as a sum of positive squares in 4 ways, for example, as 68238817541041 + 54992413681969 = 8260679^2 + 7415687^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101009205311 + ... + 101009206530.

Almost surely, 2^{123231231223010} is an apocalyptic number.

123231231223010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123231231223010 is a deficient number, since it is larger than the sum of its proper divisors (102221316392662).

123231231223010 is a wasteful number, since it uses less digits than its factorization.

123231231223010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202018411909.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 123231231223010 its reverse (10322132132321), we get a palindrome (133553363355331).

The spelling of 123231231223010 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, two hundred thirty-one million, two hundred twenty-three thousand, ten".