23312431143 has 24 divisors (see below), whose sum is σ = 35696305008. Its totient is φ = 14610177792.

The previous prime is 23312431127. The next prime is 23312431169. The reversal of 23312431143 is 34113421332.

It is a happy number.

It is not a de Polignac number, because 23312431143 - 2⁴ = 23312431127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312431343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41196 + ... + 219822.

It is an arithmetic number, because the mean of its divisors is an integer number (1487346042).

Almost surely, 2^23312431143 is an apocalyptic number.

23312431143 is a deficient number, since it is larger than the sum of its proper divisors (12383873865).

23312431143 is a wasteful number, since it uses less digits than its factorization.

23312431143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179503 (or 179500 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 23312431143 its reverse (34113421332), we get a palindrome (57425852475).

The spelling of 23312431143 in words is "twenty-three billion, three hundred twelve million, four hundred thirty-one thousand, one hundred forty-three".