23218075 has 12 divisors (see below), whose sum is σ = 29004840. Its totient is φ = 18436160.

The previous prime is 23218051. The next prime is 23218121. The reversal of 23218075 is 57081232.

It is not a de Polignac number, because 23218075 - 2⁵ = 23218043 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 36 + ... + 6814.

It is an arithmetic number, because the mean of its divisors is an integer number (2417070).

Almost surely, 2^23218075 is an apocalyptic number.

23218075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23218075 is a deficient number, since it is larger than the sum of its proper divisors (5786765).

23218075 is a wasteful number, since it uses less digits than its factorization.

23218075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926 (or 6921 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 23218075 is about 4818.5137750140. The cubic root of 23218075 is about 285.2826783907.

The spelling of 23218075 in words is "twenty-three million, two hundred eighteen thousand, seventy-five".