23420041999 has 2 divisors, whose sum is σ = 23420042000. Its totient is φ = 23420041998.

The previous prime is 23420041973. The next prime is 23420042069. The reversal of 23420041999 is 99914002432.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23420041999 - 2⁷ = 23420041871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23420041969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710020999 + 11710021000.

It is an arithmetic number, because the mean of its divisors is an integer number (11710021000).

Almost surely, 2^23420041999 is an apocalyptic number.

23420041999 is a deficient number, since it is larger than the sum of its proper divisors (1).

23420041999 is an equidigital number, since it uses as much as digits as its factorization.

23420041999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 23420041999 in words is "twenty-three billion, four hundred twenty million, forty-one thousand, nine hundred ninety-nine".