23970818 has 16 divisors (see below), whose sum is σ = 37977120. Its totient is φ = 11316096.

The previous prime is 23970721. The next prime is 23970827. The reversal of 23970818 is 81807932.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12521 + ... + 14307.

It is an arithmetic number, because the mean of its divisors is an integer number (2373570).

Almost surely, 2^23970818 is an apocalyptic number.

23970818 is a deficient number, since it is larger than the sum of its proper divisors (14006302).

23970818 is a wasteful number, since it uses less digits than its factorization.

23970818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 23970818 is about 4896.0002042484. Note that the first 3 decimals coincide. The cubic root of 23970818 is about 288.3329562924.

The spelling of 23970818 in words is "twenty-three million, nine hundred seventy thousand, eight hundred eighteen".