23928872801 has 4 divisors (see below), whose sum is σ = 25336453572. Its totient is φ = 22521292032.

The previous prime is 23928872789. The next prime is 23928872809. The reversal of 23928872801 is 10827882932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21286810000 + 2642062801 = 145900^2 + 51401^2 .

It is a cyclic number.

It is not a de Polignac number, because 23928872801 - 2²² = 23924678497 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 23928872801.

It is not an unprimeable number, because it can be changed into a prime (23928872809) 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 in 3 ways as a sum of consecutive naturals, for example, 703790360 + ... + 703790393.

It is an arithmetic number, because the mean of its divisors is an integer number (6334113393).

Almost surely, 2^23928872801 is an apocalyptic number.

It is an amenable number.

23928872801 is a deficient number, since it is larger than the sum of its proper divisors (1407580771).

23928872801 is a wasteful number, since it uses less digits than its factorization.

23928872801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407580770.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 23928872801 in words is "twenty-three billion, nine hundred twenty-eight million, eight hundred seventy-two thousand, eight hundred one".