223785427 has 8 divisors (see below), whose sum is σ = 229683600. Its totient is φ = 217962624.

The previous prime is 223785391. The next prime is 223785449. The reversal of 223785427 is 724587322.

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

It is a cyclic number.

It is not a de Polignac number, because 223785427 - 2⁷ = 223785299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223785427.

It is not an unprimeable number, because it can be changed into a prime (223785487) 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, 12802 + ... + 24727.

It is an arithmetic number, because the mean of its divisors is an integer number (28710450).

Almost surely, 2^223785427 is an apocalyptic number.

223785427 is a deficient number, since it is larger than the sum of its proper divisors (5898173).

223785427 is an equidigital number, since it uses as much as digits as its factorization.

223785427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37685.

The product of its digits is 188160, while the sum is 40.

The square root of 223785427 is about 14959.4594487903. The cubic root of 223785427 is about 607.1238127782.

The spelling of 223785427 in words is "two hundred twenty-three million, seven hundred eighty-five thousand, four hundred twenty-seven".