23243218831 has 8 divisors (see below), whose sum is σ = 26583828480. Its totient is φ = 19907646648.

The previous prime is 23243218819. The next prime is 23243218853. The reversal of 23243218831 is 13881234232.

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

It is a cyclic number.

It is not a de Polignac number, because 23243218831 - 2¹⁹ = 23242694543 is a prime.

It is a super-2 number, since 2×23243218831² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23243218891) 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, 1249471 + ... + 1267936.

It is an arithmetic number, because the mean of its divisors is an integer number (3322978560).

Almost surely, 2^23243218831 is an apocalyptic number.

23243218831 is a deficient number, since it is larger than the sum of its proper divisors (3340609649).

23243218831 is a wasteful number, since it uses less digits than its factorization.

23243218831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518733.

The product of its digits is 55296, while the sum is 37.

The spelling of 23243218831 in words is "twenty-three billion, two hundred forty-three million, two hundred eighteen thousand, eight hundred thirty-one".