23208793 has 4 divisors (see below), whose sum is σ = 23247268. Its totient is φ = 23170320.

The previous prime is 23208781. The next prime is 23208799. The reversal of 23208793 is 39780232.

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 10478169 + 12730624 = 3237^2 + 3568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23208793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23208799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18318 + ... + 19543.

It is an arithmetic number, because the mean of its divisors is an integer number (5811817).

Almost surely, 2^23208793 is an apocalyptic number.

It is an amenable number.

23208793 is a deficient number, since it is larger than the sum of its proper divisors (38475).

23208793 is an equidigital number, since it uses as much as digits as its factorization.

23208793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38474.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 23208793 is about 4817.5505186765. The cubic root of 23208793 is about 285.2446570537.

The spelling of 23208793 in words is "twenty-three million, two hundred eight thousand, seven hundred ninety-three".