23186830 has 16 divisors (see below), whose sum is σ = 41793264. Its totient is φ = 9262080.

The previous prime is 23186819. The next prime is 23186831. The reversal of 23186830 is 3868132.

It is a junction number, because it is equal to n+sod(n) for n = 23186792 and 23186801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23186831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10525 + ... + 12535.

It is an arithmetic number, because the mean of its divisors is an integer number (2612079).

Almost surely, 2^23186830 is an apocalyptic number.

23186830 is a deficient number, since it is larger than the sum of its proper divisors (18606434).

23186830 is a wasteful number, since it uses less digits than its factorization.

23186830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 23186830 is about 4815.2705012284. The cubic root of 23186830 is about 285.1546508561.

The spelling of 23186830 in words is "twenty-three million, one hundred eighty-six thousand, eight hundred thirty".