23006305 has 8 divisors (see below), whose sum is σ = 31551552. Its totient is φ = 15775728.

The previous prime is 23006297. The next prime is 23006317. The reversal of 23006305 is 50360032.

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

It is a cyclic number.

It is not a de Polignac number, because 23006305 - 2³ = 23006297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328627 + ... + 328696.

It is an arithmetic number, because the mean of its divisors is an integer number (3943944).

Almost surely, 2^23006305 is an apocalyptic number.

It is an amenable number.

23006305 is a deficient number, since it is larger than the sum of its proper divisors (8545247).

23006305 is an equidigital number, since it uses as much as digits as its factorization.

23006305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657335.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 23006305 is about 4796.4888199599. The cubic root of 23006305 is about 284.4126819607.

Adding to 23006305 its reverse (50360032), we get a palindrome (73366337).

The spelling of 23006305 in words is "twenty-three million, six thousand, three hundred five".