23000845 has 24 divisors (see below), whose sum is σ = 32319000. Its totient is φ = 15668352.

The previous prime is 23000837. The next prime is 23000867. The reversal of 23000845 is 54800032.

It can be written as a sum of positive squares in 4 ways, for example, as 741321 + 22259524 = 861^2 + 4718^2 .

It is not a de Polignac number, because 23000845 - 2³ = 23000837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65731 + ... + 66079.

It is an arithmetic number, because the mean of its divisors is an integer number (1346625).

Almost surely, 2^23000845 is an apocalyptic number.

It is an amenable number.

23000845 is a deficient number, since it is larger than the sum of its proper divisors (9318155).

23000845 is a wasteful number, since it uses less digits than its factorization.

23000845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 23000845 is about 4795.9196198435. The cubic root of 23000845 is about 284.3901806492.

Adding to 23000845 its reverse (54800032), we get a palindrome (77800877).

The spelling of 23000845 in words is "twenty-three million, eight hundred forty-five", and thus it is an aban number.