23920223 has 4 divisors (see below), whose sum is σ = 23955048. Its totient is φ = 23885400.

The previous prime is 23920217. The next prime is 23920229. The reversal of 23920223 is 32202932.

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

It is an interprime number because it is at equal distance from previous prime (23920217) and next prime (23920229).

It is a cyclic number.

It is not a de Polignac number, because 23920223 - 2⁸ = 23919967 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 (23920229) 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, 16361 + ... + 17762.

It is an arithmetic number, because the mean of its divisors is an integer number (5988762).

Almost surely, 2^23920223 is an apocalyptic number.

23920223 is a deficient number, since it is larger than the sum of its proper divisors (34825).

23920223 is an equidigital number, since it uses as much as digits as its factorization.

23920223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34824.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 23920223 is about 4890.8305020722. The cubic root of 23920223 is about 288.1299527666.

The spelling of 23920223 in words is "twenty-three million, nine hundred twenty thousand, two hundred twenty-three".