23674221 has 8 divisors (see below), whose sum is σ = 35072960. Its totient is φ = 15782796.

The previous prime is 23674213. The next prime is 23674223. The reversal of 23674221 is 12247632.

23674221 is a `hidden beast` number, since 236 + 7 + 422 + 1 = 666.

It is not a de Polignac number, because 23674221 - 2³ = 23674213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 876823 = 23674221 / (2 + 3 + 6 + 7 + 4 + 2 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23674223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438385 + ... + 438438.

It is an arithmetic number, because the mean of its divisors is an integer number (4384120).

Almost surely, 2^23674221 is an apocalyptic number.

It is an amenable number.

23674221 is a deficient number, since it is larger than the sum of its proper divisors (11398739).

23674221 is an equidigital number, since it uses as much as digits as its factorization.

23674221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876832 (or 876826 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 23674221 is about 4865.6161994140. The cubic root of 23674221 is about 287.1388119597.

The spelling of 23674221 in words is "twenty-three million, six hundred seventy-four thousand, two hundred twenty-one".