23438066 has 8 divisors (see below), whose sum is σ = 35270364. Its totient is φ = 11681280.

The previous prime is 23438047. The next prime is 23438083. The reversal of 23438066 is 66083432.

It can be written as a sum of positive squares in 2 ways, for example, as 20894041 + 2544025 = 4571^2 + 1595^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 18095 + ... + 19346.

Almost surely, 2^23438066 is an apocalyptic number.

23438066 is a deficient number, since it is larger than the sum of its proper divisors (11832298).

23438066 is a wasteful number, since it uses less digits than its factorization.

23438066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37756.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 23438066 is about 4841.2876386350. The cubic root of 23438066 is about 286.1808642936.

The spelling of 23438066 in words is "twenty-three million, four hundred thirty-eight thousand, sixty-six".