23939223 has 32 divisors (see below), whose sum is σ = 41091072. Its totient is φ = 12031200.

The previous prime is 23939189. The next prime is 23939249. The reversal of 23939223 is 32293932.

It is not a de Polignac number, because 23939223 - 2¹⁰ = 23938199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23939263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5490 + ... + 8832.

It is an arithmetic number, because the mean of its divisors is an integer number (1284096).

Almost surely, 2^23939223 is an apocalyptic number.

23939223 is a deficient number, since it is larger than the sum of its proper divisors (17151849).

23939223 is a wasteful number, since it uses less digits than its factorization.

23939223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395.

The product of its digits is 17496, while the sum is 33.

The square root of 23939223 is about 4892.7725269013. The cubic root of 23939223 is about 288.2062204540.

The spelling of 23939223 in words is "twenty-three million, nine hundred thirty-nine thousand, two hundred twenty-three".