23145044999 has 2 divisors, whose sum is σ = 23145045000. Its totient is φ = 23145044998.

The previous prime is 23145044977. The next prime is 23145045017. The reversal of 23145044999 is 99944054132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23145044999 - 2²⁰ = 23143996423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23145040999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11572522499 + 11572522500.

It is an arithmetic number, because the mean of its divisors is an integer number (11572522500).

Almost surely, 2^23145044999 is an apocalyptic number.

23145044999 is a deficient number, since it is larger than the sum of its proper divisors (1).

23145044999 is an equidigital number, since it uses as much as digits as its factorization.

23145044999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 23145044999 in words is "twenty-three billion, one hundred forty-five million, forty-four thousand, nine hundred ninety-nine".