231310123000 has 128 divisors (see below), whose sum is σ = 621549676800. Its totient is φ = 79685712000.

The previous prime is 231310122961. The next prime is 231310123027. The reversal of 231310123000 is 321013132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344374 + ... + 762373.

It is an arithmetic number, because the mean of its divisors is an integer number (4855856850).

Almost surely, 2^231310123000 is an apocalyptic number.

231310123000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231310123000 is an abundant number, since it is smaller than the sum of its proper divisors (390239553800).

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

231310123000 is a wasteful number, since it uses less digits than its factorization.

231310123000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106798 (or 1106784 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 231310123000 its reverse (321013132), we get a palindrome (231631136132).

The spelling of 231310123000 in words is "two hundred thirty-one billion, three hundred ten million, one hundred twenty-three thousand".