23543312339 has 2 divisors, whose sum is σ = 23543312340. Its totient is φ = 23543312338.

The previous prime is 23543312323. The next prime is 23543312423. The reversal of 23543312339 is 93321334532.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23543312339 - 2⁴ = 23543312323 is a prime.

It is not a weakly prime, because it can be changed into another prime (23543312539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11771656169 + 11771656170.

It is an arithmetic number, because the mean of its divisors is an integer number (11771656170).

Almost surely, 2^23543312339 is an apocalyptic number.

23543312339 is a deficient number, since it is larger than the sum of its proper divisors (1).

23543312339 is an equidigital number, since it uses as much as digits as its factorization.

23543312339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 38.

The spelling of 23543312339 in words is "twenty-three billion, five hundred forty-three million, three hundred twelve thousand, three hundred thirty-nine".