23195216 has 30 divisors (see below), whose sum is σ = 49401786. Its totient is φ = 10542400.

The previous prime is 23195209. The next prime is 23195233. The reversal of 23195216 is 61259132.

It can be written as a sum of positive squares in only one way, i.e., 23001616 + 193600 = 4796^2 + 440^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4055 + ... + 7926.

Almost surely, 2^23195216 is an apocalyptic number.

It is an amenable number.

23195216 is an abundant number, since it is smaller than the sum of its proper divisors (26206570).

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

23195216 is a wasteful number, since it uses less digits than its factorization.

23195216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011 (or 11994 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 23195216 is about 4816.1411939435. The cubic root of 23195216 is about 285.1890240854.

The spelling of 23195216 in words is "twenty-three million, one hundred ninety-five thousand, two hundred sixteen".