23009858 has 8 divisors (see below), whose sum is σ = 34551360. Its totient is φ = 11492740.

The previous prime is 23009839. The next prime is 23009873. The reversal of 23009858 is 85890032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3518 + ... + 7641.

It is an arithmetic number, because the mean of its divisors is an integer number (4318920).

Almost surely, 2^23009858 is an apocalyptic number.

23009858 is a deficient number, since it is larger than the sum of its proper divisors (11541502).

23009858 is a wasteful number, since it uses less digits than its factorization.

23009858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12192.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 23009858 is about 4796.8591807557. The cubic root of 23009858 is about 284.4273223856.

The spelling of 23009858 in words is "twenty-three million, nine thousand, eight hundred fifty-eight".