23204394 has 40 divisors (see below), whose sum is σ = 52306848. Its totient is φ = 7688520.

The previous prime is 23204387. The next prime is 23204411. The reversal of 23204394 is 49340232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36459 + ... + 37089.

Almost surely, 2^23204394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23204394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26153424).

23204394 is an abundant number, since it is smaller than the sum of its proper divisors (29102454).

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

23204394 is a wasteful number, since it uses less digits than its factorization.

23204394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 23204394 is about 4817.0939372198. The cubic root of 23204394 is about 285.2266341355.

The spelling of 23204394 in words is "twenty-three million, two hundred four thousand, three hundred ninety-four".