23201934499 has 2 divisors, whose sum is σ = 23201934500. Its totient is φ = 23201934498.

The previous prime is 23201934491. The next prime is 23201934589. The reversal of 23201934499 is 99443910232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23201934499 - 2³ = 23201934491 is a prime.

It is not a weakly prime, because it can be changed into another prime (23201934491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600967249 + 11600967250.

It is an arithmetic number, because the mean of its divisors is an integer number (11600967250).

Almost surely, 2^23201934499 is an apocalyptic number.

23201934499 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201934499 is an equidigital number, since it uses as much as digits as its factorization.

23201934499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 23201934499 in words is "twenty-three billion, two hundred one million, nine hundred thirty-four thousand, four hundred ninety-nine".