23131232243 has 8 divisors (see below), whose sum is σ = 27150172512. Its totient is φ = 19290911616.

The previous prime is 23131232209. The next prime is 23131232251. The reversal of 23131232243 is 34223213132.

It is a happy number.

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 23131232243 - 2¹⁸ = 23130970099 is a prime.

It is a super-2 number, since 2×23131232243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23131232743) 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, 44654630 + ... + 44655147.

It is an arithmetic number, because the mean of its divisors is an integer number (3393771564).

Almost surely, 2^23131232243 is an apocalyptic number.

23131232243 is a deficient number, since it is larger than the sum of its proper divisors (4018940269).

23131232243 is an equidigital number, since it uses as much as digits as its factorization.

23131232243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89309821.

The product of its digits is 5184, while the sum is 26.

Adding to 23131232243 its reverse (34223213132), we get a palindrome (57354445375).

The spelling of 23131232243 in words is "twenty-three billion, one hundred thirty-one million, two hundred thirty-two thousand, two hundred forty-three".