23289808 has 10 divisors (see below), whose sum is σ = 45124034. Its totient is φ = 11644896.

The previous prime is 23289793. The next prime is 23289811. The reversal of 23289808 is 80898232.

It can be written as a sum of positive squares in only one way, i.e., 21418384 + 1871424 = 4628^2 + 1368^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727791 + ... + 727822.

Almost surely, 2^23289808 is an apocalyptic number.

It is an amenable number.

23289808 is a deficient number, since it is larger than the sum of its proper divisors (21834226).

23289808 is a wasteful number, since it uses less digits than its factorization.

23289808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455621 (or 1455615 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 23289808 is about 4825.9515123963. The cubic root of 23289808 is about 285.5761730574.

The spelling of 23289808 in words is "twenty-three million, two hundred eighty-nine thousand, eight hundred eight".