23230031013 has 32 divisors (see below), whose sum is σ = 40168120320. Its totient is φ = 12991866480.

The previous prime is 23230030973. The next prime is 23230031023. The reversal of 23230031013 is 31013003232.

It is not a de Polignac number, because 23230031013 - 2⁶ = 23230030949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230031023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1298673 + ... + 1316438.

It is an arithmetic number, because the mean of its divisors is an integer number (1255253760).

Almost surely, 2^23230031013 is an apocalyptic number.

It is an amenable number.

23230031013 is a deficient number, since it is larger than the sum of its proper divisors (16938089307).

23230031013 is a wasteful number, since it uses less digits than its factorization.

23230031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615174 (or 2615168 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 23230031013 its reverse (31013003232), we get a palindrome (54243034245).

The spelling of 23230031013 in words is "twenty-three billion, two hundred thirty million, thirty-one thousand, thirteen".