23165650 has 12 divisors (see below), whose sum is σ = 43088202. Its totient is φ = 9266240.

The previous prime is 23165641. The next prime is 23165657. The reversal of 23165650 is 5656132.

It can be written as a sum of positive squares in 3 ways, for example, as 15531481 + 7634169 = 3941^2 + 2763^2 .

It is not an unprimeable number, because it can be changed into a prime (23165657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 231607 + ... + 231706.

Almost surely, 2^23165650 is an apocalyptic number.

23165650 is a deficient number, since it is larger than the sum of its proper divisors (19922552).

23165650 is a wasteful number, since it uses less digits than its factorization.

23165650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463325 (or 463320 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 23165650 is about 4813.0707453766. The cubic root of 23165650 is about 285.0677996078.

The spelling of 23165650 in words is "twenty-three million, one hundred sixty-five thousand, six hundred fifty".