23378866 has 16 divisors (see below), whose sum is σ = 40150656. Its totient is φ = 10001376.

The previous prime is 23378863. The next prime is 23378891. The reversal of 23378866 is 66887332.

It is not an unprimeable number, because it can be changed into a prime (23378863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9030 + ... + 11326.

It is an arithmetic number, because the mean of its divisors is an integer number (2509416).

Almost surely, 2^23378866 is an apocalyptic number.

23378866 is a deficient number, since it is larger than the sum of its proper divisors (16771790).

23378866 is a wasteful number, since it uses less digits than its factorization.

23378866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033.

The product of its digits is 290304, while the sum is 43.

The square root of 23378866 is about 4835.1696971254. The cubic root of 23378866 is about 285.9397153978.

The spelling of 23378866 in words is "twenty-three million, three hundred seventy-eight thousand, eight hundred sixty-six".