231301313123 has 4 divisors (see below), whose sum is σ = 231303730728. Its totient is φ = 231298895520.

The previous prime is 231301313077. The next prime is 231301313129. The reversal of 231301313123 is 321313103132.

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 231301313123 - 2²⁴ = 231284535907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231301313129) 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, 1059113 + ... + 1258698.

It is an arithmetic number, because the mean of its divisors is an integer number (57825932682).

Almost surely, 2^231301313123 is an apocalyptic number.

231301313123 is a deficient number, since it is larger than the sum of its proper divisors (2417605).

231301313123 is an equidigital number, since it uses as much as digits as its factorization.

231301313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417604.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 231301313123 its reverse (321313103132), we get a palindrome (552614416255).

The spelling of 231301313123 in words is "two hundred thirty-one billion, three hundred one million, three hundred thirteen thousand, one hundred twenty-three".