23057786 has 16 divisors (see below), whose sum is σ = 35178624. Its totient is φ = 11333424.

The previous prime is 23057767. The next prime is 23057819. The reversal of 23057786 is 68775032.

It is a happy number.

It is a super-2 number, since 2×23057786² = 1063322990443592, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35315 + ... + 35961.

It is an arithmetic number, because the mean of its divisors is an integer number (2198664).

Almost surely, 2^23057786 is an apocalyptic number.

23057786 is a deficient number, since it is larger than the sum of its proper divisors (12120838).

23057786 is a wasteful number, since it uses less digits than its factorization.

23057786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 23057786 is about 4801.8523509163. The cubic root of 23057786 is about 284.6246664801.

The spelling of 23057786 in words is "twenty-three million, fifty-seven thousand, seven hundred eighty-six".