23211210231 has 40 divisors (see below), whose sum is σ = 37844928000. Its totient is φ = 14060241360.

The previous prime is 23211210229. The next prime is 23211210233. The reversal of 23211210231 is 13201211232.

It is an interprime number because it is at equal distance from previous prime (23211210229) and next prime (23211210233).

It is not a de Polignac number, because 23211210231 - 2¹ = 23211210229 is a prime.

It is a super-2 number, since 2×23211210231² (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 (23211210233) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2132080 + ... + 2142938.

It is an arithmetic number, because the mean of its divisors is an integer number (946123200).

Almost surely, 2^23211210231 is an apocalyptic number.

23211210231 is a deficient number, since it is larger than the sum of its proper divisors (14633717769).

23211210231 is a wasteful number, since it uses less digits than its factorization.

23211210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13281 (or 13272 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23211210231 its reverse (13201211232), we get a palindrome (36412421463).

The spelling of 23211210231 in words is "twenty-three billion, two hundred eleven million, two hundred ten thousand, two hundred thirty-one".