23278017 has 8 divisors (see below), whose sum is σ = 35471296. Its totient is φ = 13301712.

The previous prime is 23277967. The next prime is 23278033. The reversal of 23278017 is 71087232.

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

It is not a de Polignac number, because 23278017 - 2¹⁴ = 23261633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23278067) by changing a digit.

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, 554218 + ... + 554259.

It is an arithmetic number, because the mean of its divisors is an integer number (4433912).

Almost surely, 2^23278017 is an apocalyptic number.

It is an amenable number.

23278017 is a deficient number, since it is larger than the sum of its proper divisors (12193279).

23278017 is a wasteful number, since it uses less digits than its factorization.

23278017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108487.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 23278017 is about 4824.7297333633. The cubic root of 23278017 is about 285.5279717575.

The spelling of 23278017 in words is "twenty-three million, two hundred seventy-eight thousand, seventeen".