23240243443 has 2 divisors, whose sum is σ = 23240243444. Its totient is φ = 23240243442.

The previous prime is 23240243413. The next prime is 23240243449. The reversal of 23240243443 is 34434204232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23240243443 - 2⁹ = 23240242931 is a prime.

It is not a weakly prime, because it can be changed into another prime (23240243449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11620121721 + 11620121722.

It is an arithmetic number, because the mean of its divisors is an integer number (11620121722).

Almost surely, 2^23240243443 is an apocalyptic number.

23240243443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23240243443 is an equidigital number, since it uses as much as digits as its factorization.

23240243443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 23240243443 its reverse (34434204232), we get a palindrome (57674447675).

The spelling of 23240243443 in words is "twenty-three billion, two hundred forty million, two hundred forty-three thousand, four hundred forty-three".