23415642111443 has 2 divisors, whose sum is σ = 23415642111444. Its totient is φ = 23415642111442.

The previous prime is 23415642111419. The next prime is 23415642111461. The reversal of 23415642111443 is 34411124651432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23415642111443 - 2²⁰ = 23415641062867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23415642111443.

It is not a weakly prime, because it can be changed into another prime (23415642111403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11707821055721 + 11707821055722.

It is an arithmetic number, because the mean of its divisors is an integer number (11707821055722).

Almost surely, 2^{23415642111443} is an apocalyptic number.

23415642111443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23415642111443 is an equidigital number, since it uses as much as digits as its factorization.

23415642111443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 41.

Adding to 23415642111443 its reverse (34411124651432), we get a palindrome (57826766762875).

The spelling of 23415642111443 in words is "twenty-three trillion, four hundred fifteen billion, six hundred forty-two million, one hundred eleven thousand, four hundred forty-three".