23009286 has 16 divisors (see below), whose sum is σ = 46427184. Its totient is φ = 7601664.

The previous prime is 23009219. The next prime is 23009291. The reversal of 23009286 is 68290032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16291 + ... + 17646.

It is an arithmetic number, because the mean of its divisors is an integer number (2901699).

Almost surely, 2^23009286 is an apocalyptic number.

23009286 is an abundant number, since it is smaller than the sum of its proper divisors (23417898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23009286 is a wasteful number, since it uses less digits than its factorization.

23009286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34055.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 23009286 is about 4796.7995580387. The cubic root of 23009286 is about 284.4249655150.

The spelling of 23009286 in words is "twenty-three million, nine thousand, two hundred eighty-six".