23204146 has 24 divisors (see below), whose sum is σ = 40923036. Its totient is φ = 9838080.

The previous prime is 23204131. The next prime is 23204179. The reversal of 23204146 is 64140232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21669025 + 1535121 = 4655^2 + 1239^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8286 + ... + 10726.

Almost surely, 2^23204146 is an apocalyptic number.

23204146 is a deficient number, since it is larger than the sum of its proper divisors (17718890).

23204146 is a wasteful number, since it uses less digits than its factorization.

23204146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554 (or 2547 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 23204146 is about 4817.0681954899. The cubic root of 23204146 is about 285.2256179995.

Adding to 23204146 its reverse (64140232), we get a palindrome (87344378).

The spelling of 23204146 in words is "twenty-three million, two hundred four thousand, one hundred forty-six".