23204020043791 has 2 divisors, whose sum is σ = 23204020043792. Its totient is φ = 23204020043790.

The previous prime is 23204020043759. The next prime is 23204020043837. The reversal of 23204020043791 is 19734002040232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23204020043791 - 2⁵ = 23204020043759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23204020043791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23204020053791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11602010021895 + 11602010021896.

It is an arithmetic number, because the mean of its divisors is an integer number (11602010021896).

Almost surely, 2^{23204020043791} is an apocalyptic number.

23204020043791 is a deficient number, since it is larger than the sum of its proper divisors (1).

23204020043791 is an equidigital number, since it uses as much as digits as its factorization.

23204020043791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 23204020043791 in words is "twenty-three trillion, two hundred four billion, twenty million, forty-three thousand, seven hundred ninety-one".