23066857 has 4 divisors (see below), whose sum is σ = 25163856. Its totient is φ = 20969860.

The previous prime is 23066851. The next prime is 23066863. The reversal of 23066857 is 75866032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (23066851) and next prime (23066863).

It is a cyclic number.

It is not a de Polignac number, because 23066857 - 2²³ = 14678249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23066851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048483 + ... + 1048504.

It is an arithmetic number, because the mean of its divisors is an integer number (6290964).

Almost surely, 2^23066857 is an apocalyptic number.

It is an amenable number.

23066857 is a deficient number, since it is larger than the sum of its proper divisors (2096999).

23066857 is a wasteful number, since it uses less digits than its factorization.

23066857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096998.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 23066857 is about 4802.7967893718. The cubic root of 23066857 is about 284.6619856436.

The spelling of 23066857 in words is "twenty-three million, sixty-six thousand, eight hundred fifty-seven".