23973793 has 4 divisors (see below), whose sum is σ = 24366868. Its totient is φ = 23580720.

The previous prime is 23973769. The next prime is 23973799. The reversal of 23973793 is 39737932.

It is a happy number.

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 5414929 + 18558864 = 2327^2 + 4308^2 .

It is a cyclic number.

It is not a de Polignac number, because 23973793 - 2²¹ = 21876641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23973799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196446 + ... + 196567.

It is an arithmetic number, because the mean of its divisors is an integer number (6091717).

Almost surely, 2^23973793 is an apocalyptic number.

It is an amenable number.

23973793 is a deficient number, since it is larger than the sum of its proper divisors (393075).

23973793 is an equidigital number, since it uses as much as digits as its factorization.

23973793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393074.

The product of its digits is 214326, while the sum is 43.

The square root of 23973793 is about 4896.3040142540. The cubic root of 23973793 is about 288.3448840603.

The spelling of 23973793 in words is "twenty-three million, nine hundred seventy-three thousand, seven hundred ninety-three".