231103123120 has 40 divisors (see below), whose sum is σ = 568921515264. Its totient is φ = 87003528192.

The previous prime is 231103123093. The next prime is 231103123157. The reversal of 231103123120 is 21321301132.

It is a tau number, because it is divible by the number of its divisors (40).

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, 84963024 + ... + 84965743.

Almost surely, 2^231103123120 is an apocalyptic number.

231103123120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231103123120 is an abundant number, since it is smaller than the sum of its proper divisors (337818392144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231103123120 is a wasteful number, since it uses less digits than its factorization.

231103123120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169928797 (or 169928791 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231103123120 its reverse (21321301132), we get a palindrome (252424424252).

The spelling of 231103123120 in words is "two hundred thirty-one billion, one hundred three million, one hundred twenty-three thousand, one hundred twenty".