23172204 has 48 divisors (see below), whose sum is σ = 59270400. Its totient is φ = 6987840.

The previous prime is 23172203. The next prime is 23172209. The reversal of 23172204 is 40227132.

It is not an unprimeable number, because it can be changed into a prime (23172203) 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 15 ways as a sum of consecutive naturals, for example, 45817 + ... + 46319.

It is an arithmetic number, because the mean of its divisors is an integer number (1234800).

Almost surely, 2^23172204 is an apocalyptic number.

It is an amenable number.

23172204 is an abundant number, since it is smaller than the sum of its proper divisors (36098196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23172204 is a wasteful number, since it uses less digits than its factorization.

23172204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 23172204 is about 4813.7515515448. The cubic root of 23172204 is about 285.0946807615.

Adding to 23172204 its reverse (40227132), we get a palindrome (63399336).

The spelling of 23172204 in words is "twenty-three million, one hundred seventy-two thousand, two hundred four".