23008906 has 4 divisors (see below), whose sum is σ = 34513362. Its totient is φ = 11504452.

The previous prime is 23008891. The next prime is 23008933. The reversal of 23008906 is 60980032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22953681 + 55225 = 4791^2 + 235^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5752225 + ... + 5752228.

Almost surely, 2^23008906 is an apocalyptic number.

23008906 is a deficient number, since it is larger than the sum of its proper divisors (11504456).

23008906 is a wasteful number, since it uses less digits than its factorization.

23008906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11504455.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23008906 is about 4796.7599481317. The cubic root of 23008906 is about 284.4233997401.

Adding to 23008906 its reverse (60980032), we get a palindrome (83988938).

The spelling of 23008906 in words is "twenty-three million, eight thousand, nine hundred six".