23021204 has 12 divisors (see below), whose sum is σ = 40703124. Its totient is φ = 11391744.

The previous prime is 23021203. The next prime is 23021227. The reversal of 23021204 is 40212032.

It can be written as a sum of positive squares in 2 ways, for example, as 10432900 + 12588304 = 3230^2 + 3548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021203) 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 3 ways as a sum of consecutive naturals, for example, 29279 + ... + 30054.

It is an arithmetic number, because the mean of its divisors is an integer number (3391927).

Almost surely, 2^23021204 is an apocalyptic number.

It is an amenable number.

23021204 is a deficient number, since it is larger than the sum of its proper divisors (17681920).

23021204 is a wasteful number, since it uses less digits than its factorization.

23021204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59434 (or 59432 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23021204 is about 4798.0416838539. The cubic root of 23021204 is about 284.4740644113.

Adding to 23021204 its reverse (40212032), we get a palindrome (63233236).

The spelling of 23021204 in words is "twenty-three million, twenty-one thousand, two hundred four".