23204216 has 16 divisors (see below), whose sum is σ = 49723440. Its totient is φ = 9944640.

The previous prime is 23204183. The next prime is 23204231. The reversal of 23204216 is 61240232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207125 + ... + 207236.

It is an arithmetic number, because the mean of its divisors is an integer number (3107715).

Almost surely, 2^23204216 is an apocalyptic number.

It is an amenable number.

23204216 is an abundant number, since it is smaller than the sum of its proper divisors (26519224).

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

23204216 is a wasteful number, since it uses less digits than its factorization.

23204216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414374 (or 414370 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 23204216 is about 4817.0754613147. The cubic root of 23204216 is about 285.2259048128.

Adding to 23204216 its reverse (61240232), we get a palindrome (84444448).

The spelling of 23204216 in words is "twenty-three million, two hundred four thousand, two hundred sixteen".