23089745 has 16 divisors (see below), whose sum is σ = 31761408. Its totient is φ = 15785280.

The previous prime is 23089733. The next prime is 23089751. The reversal of 23089745 is 54798032.

It is not a de Polignac number, because 23089745 - 2¹² = 23085649 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 23089699 and 23089708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13952 + ... + 15518.

It is an arithmetic number, because the mean of its divisors is an integer number (1985088).

Almost surely, 2^23089745 is an apocalyptic number.

It is an amenable number.

23089745 is a deficient number, since it is larger than the sum of its proper divisors (8671663).

23089745 is a wasteful number, since it uses less digits than its factorization.

23089745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 23089745 is about 4805.1789768957. The cubic root of 23089745 is about 284.7561061065.

The spelling of 23089745 in words is "twenty-three million, eighty-nine thousand, seven hundred forty-five".