23055218 has 8 divisors (see below), whose sum is σ = 35517612. Its totient is φ = 11216016.

The previous prime is 23055187. The next prime is 23055229. The reversal of 23055218 is 81255032.

It can be written as a sum of positive squares in 2 ways, for example, as 22972849 + 82369 = 4793^2 + 287^2 .

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155705 + ... + 155852.

Almost surely, 2^23055218 is an apocalyptic number.

23055218 is a deficient number, since it is larger than the sum of its proper divisors (12462394).

23055218 is a wasteful number, since it uses less digits than its factorization.

23055218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311596.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 23055218 is about 4801.5849466608. The cubic root of 23055218 is about 284.6140996477.

The spelling of 23055218 in words is "twenty-three million, fifty-five thousand, two hundred eighteen".