23723266399 has 16 divisors (see below), whose sum is σ = 27591091200. Its totient is φ = 19975620384.

The previous prime is 23723266393. The next prime is 23723266409. The reversal of 23723266399 is 99366232732.

It is a cyclic number.

It is not a de Polignac number, because 23723266399 - 2⁷ = 23723266271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23723266393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594817 + ... + 633445.

It is an arithmetic number, because the mean of its divisors is an integer number (1724443200).

Almost surely, 2^23723266399 is an apocalyptic number.

23723266399 is a deficient number, since it is larger than the sum of its proper divisors (3867824801).

23723266399 is a wasteful number, since it uses less digits than its factorization.

23723266399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40182.

The product of its digits is 4408992, while the sum is 52.

The spelling of 23723266399 in words is "twenty-three billion, seven hundred twenty-three million, two hundred sixty-six thousand, three hundred ninety-nine".