23503974299 has 18 divisors (see below), whose sum is σ = 25573133700. Its totient is φ = 21592396176.

The previous prime is 23503974293. The next prime is 23503974341. The reversal of 23503974299 is 99247930532.

It is not a de Polignac number, because 23503974299 - 2⁴ = 23503974283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23503974299.

It is not an unprimeable number, because it can be changed into a prime (23503974293) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8707052 + ... + 8709750.

It is an arithmetic number, because the mean of its divisors is an integer number (1420729650).

Almost surely, 2^23503974299 is an apocalyptic number.

23503974299 is a deficient number, since it is larger than the sum of its proper divisors (2069159401).

23503974299 is an equidigital number, since it uses as much as digits as its factorization.

23503974299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179 (or 2939 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 53.

The spelling of 23503974299 in words is "twenty-three billion, five hundred three million, nine hundred seventy-four thousand, two hundred ninety-nine".