23231231313 has 8 divisors (see below), whose sum is σ = 31005556608. Its totient is φ = 15472196784.

The previous prime is 23231231293. The next prime is 23231231327. The reversal of 23231231313 is 31313213232.

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

It is not a de Polignac number, because 23231231313 - 2²⁰ = 23230182737 is a prime.

It is a super-2 number, since 2×23231231313² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23231231333) 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, 3819145 + ... + 3825222.

It is an arithmetic number, because the mean of its divisors is an integer number (3875694576).

Almost surely, 2^23231231313 is an apocalyptic number.

It is an amenable number.

23231231313 is a deficient number, since it is larger than the sum of its proper divisors (7774325295).

23231231313 is a wasteful number, since it uses less digits than its factorization.

23231231313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7645383.

The product of its digits is 1944, while the sum is 24.

Adding to 23231231313 its reverse (31313213232), we get a palindrome (54544444545).

The spelling of 23231231313 in words is "twenty-three billion, two hundred thirty-one million, two hundred thirty-one thousand, three hundred thirteen".