23039217 has 6 divisors (see below), whose sum is σ = 33278882. Its totient is φ = 15359472.

The previous prime is 23039213. The next prime is 23039249. The reversal of 23039217 is 71293032.

It can be written as a sum of positive squares in only one way, i.e., 19501056 + 3538161 = 4416^2 + 1881^2 .

It is not a de Polignac number, because 23039217 - 2² = 23039213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23039213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1279948 + ... + 1279965.

Almost surely, 2^23039217 is an apocalyptic number.

It is an amenable number.

23039217 is a deficient number, since it is larger than the sum of its proper divisors (10239665).

23039217 is a wasteful number, since it uses less digits than its factorization.

23039217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559919 (or 2559916 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 23039217 is about 4799.9184368070. The cubic root of 23039217 is about 284.5482408881.

The spelling of 23039217 in words is "twenty-three million, thirty-nine thousand, two hundred seventeen".