23243203999 has 2 divisors, whose sum is σ = 23243204000. Its totient is φ = 23243203998.

The previous prime is 23243203987. The next prime is 23243204063. The reversal of 23243203999 is 99930234232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23243203999 - 2⁵ = 23243203967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23243203099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11621601999 + 11621602000.

It is an arithmetic number, because the mean of its divisors is an integer number (11621602000).

Almost surely, 2^23243203999 is an apocalyptic number.

23243203999 is a deficient number, since it is larger than the sum of its proper divisors (1).

23243203999 is an equidigital number, since it uses as much as digits as its factorization.

23243203999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 46.

The spelling of 23243203999 in words is "twenty-three billion, two hundred forty-three million, two hundred three thousand, nine hundred ninety-nine".