23213210 has 16 divisors (see below), whose sum is σ = 43600896. Its totient is φ = 8881488.

The previous prime is 23213209. The next prime is 23213219. The reversal of 23213210 is 1231232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23213219) 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 7 ways as a sum of consecutive naturals, for example, 50234 + ... + 50693.

It is an arithmetic number, because the mean of its divisors is an integer number (2725056).

It is a self-describing number.

Almost surely, 2^23213210 is an apocalyptic number.

23213210 is a deficient number, since it is larger than the sum of its proper divisors (20387686).

23213210 is a wasteful number, since it uses less digits than its factorization.

23213210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100957.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23213210 is about 4818.0089248568. The cubic root of 23213210 is about 285.2627514275.

Adding to 23213210 its reverse (1231232), we get a palindrome (24444442).

The spelling of 23213210 in words is "twenty-three million, two hundred thirteen thousand, two hundred ten".