23426218 has 8 divisors (see below), whose sum is σ = 35244612. Its totient is φ = 11678016.

The previous prime is 23426209. The next prime is 23426233. The reversal of 23426218 is 81262432.

It can be written as a sum of positive squares in 2 ways, for example, as 21930489 + 1495729 = 4683^2 + 1223^2 .

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

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, 16705 + ... + 18052.

Almost surely, 2^23426218 is an apocalyptic number.

23426218 is a deficient number, since it is larger than the sum of its proper divisors (11818394).

23426218 is a wasteful number, since it uses less digits than its factorization.

23426218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35096.

The product of its digits is 4608, while the sum is 28.

The square root of 23426218 is about 4840.0638425541. The cubic root of 23426218 is about 286.1326344557.

The spelling of 23426218 in words is "twenty-three million, four hundred twenty-six thousand, two hundred eighteen".