23089216 has 14 divisors (see below), whose sum is σ = 45817790. Its totient is φ = 11544576.

The previous prime is 23089211. The next prime is 23089219. The reversal of 23089216 is 61298032.

It can be written as a sum of positive squares in only one way, i.e., 18662400 + 4426816 = 4320^2 + 2104^2 .

It is a super-2 number, since 2×23089216² = 1066223790989312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23089211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180321 + ... + 180448.

Almost surely, 2^23089216 is an apocalyptic number.

It is an amenable number.

23089216 is a deficient number, since it is larger than the sum of its proper divisors (22728574).

23089216 is an equidigital number, since it uses as much as digits as its factorization.

23089216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360781 (or 360771 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 23089216 is about 4805.1239318045. The cubic root of 23089216 is about 284.7539314451.

The spelling of 23089216 in words is "twenty-three million, eighty-nine thousand, two hundred sixteen".