223549423 has 4 divisors (see below), whose sum is σ = 223581528. Its totient is φ = 223517320.

The previous prime is 223549409. The next prime is 223549427. The reversal of 223549423 is 324945322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 223549423 - 2⁹ = 223548911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223549427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736 + ... + 21157.

It is an arithmetic number, because the mean of its divisors is an integer number (55895382).

Almost surely, 2^223549423 is an apocalyptic number.

223549423 is a deficient number, since it is larger than the sum of its proper divisors (32105).

223549423 is a wasteful number, since it uses less digits than its factorization.

223549423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32104.

The product of its digits is 51840, while the sum is 34.

The square root of 223549423 is about 14951.5692487444. The cubic root of 223549423 is about 606.9103135515.

The spelling of 223549423 in words is "two hundred twenty-three million, five hundred forty-nine thousand, four hundred twenty-three".