23223210 has 16 divisors (see below), whose sum is σ = 55735776. Its totient is φ = 6192848.

The previous prime is 23223209. The next prime is 23223223. The reversal of 23223210 is 1232232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23223210.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 387024 + ... + 387083.

It is an arithmetic number, because the mean of its divisors is an integer number (3483486).

Almost surely, 2^23223210 is an apocalyptic number.

23223210 is an abundant number, since it is smaller than the sum of its proper divisors (32512566).

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

23223210 is a wasteful number, since it uses less digits than its factorization.

23223210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774117.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23223210 is about 4819.0465862035. The cubic root of 23223210 is about 285.3037082503.

Adding to 23223210 its reverse (1232232), we get a palindrome (24455442).

The spelling of 23223210 in words is "twenty-three million, two hundred twenty-three thousand, two hundred ten".