23303021231 has 8 divisors (see below), whose sum is σ = 26636273664. Its totient is φ = 19970831160.

The previous prime is 23303021207. The next prime is 23303021239. The reversal of 23303021231 is 13212030332.

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

It is a de Polignac number, because none of the positive numbers 2^k-23303021231 is a prime.

It is a super-2 number, since 2×23303021231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303021239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218015 + ... + 306816.

It is an arithmetic number, because the mean of its divisors is an integer number (3329534208).

Almost surely, 2^23303021231 is an apocalyptic number.

23303021231 is a deficient number, since it is larger than the sum of its proper divisors (3333252433).

23303021231 is an equidigital number, since it uses as much as digits as its factorization.

23303021231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531181.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23303021231 its reverse (13212030332), we get a palindrome (36515051563).

The spelling of 23303021231 in words is "twenty-three billion, three hundred three million, twenty-one thousand, two hundred thirty-one".