13231313123 has 8 divisors (see below), whose sum is σ = 15125642592. Its totient is φ = 11338019136.

The previous prime is 13231313111. The next prime is 13231313203. The reversal of 13231313123 is 32131313231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13231313123 - 2⁴ = 13231313107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231313723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231290 + ... + 282767.

It is an arithmetic number, because the mean of its divisors is an integer number (1890705324).

Almost surely, 2^13231313123 is an apocalyptic number.

13231313123 is a deficient number, since it is larger than the sum of its proper divisors (1894329469).

13231313123 is an equidigital number, since it uses as much as digits as its factorization.

13231313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517741.

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

Adding to 13231313123 its reverse (32131313231), we get a palindrome (45362626354).

The spelling of 13231313123 in words is "thirteen billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred twenty-three".