23231201023 has 4 divisors (see below), whose sum is σ = 23456746768. Its totient is φ = 23005655280.

The previous prime is 23231201017. The next prime is 23231201039. The reversal of 23231201023 is 32010213232.

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 23231201023 - 2²¹ = 23229103871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231201003) 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, 112772718 + ... + 112772923.

It is an arithmetic number, because the mean of its divisors is an integer number (5864186692).

Almost surely, 2^23231201023 is an apocalyptic number.

23231201023 is a deficient number, since it is larger than the sum of its proper divisors (225545745).

23231201023 is a wasteful number, since it uses less digits than its factorization.

23231201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225545744.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23231201023 its reverse (32010213232), we get a palindrome (55241414255).

The spelling of 23231201023 in words is "twenty-three billion, two hundred thirty-one million, two hundred one thousand, twenty-three".