223043479 has 4 divisors (see below), whose sum is σ = 223362360. Its totient is φ = 222724600.

The previous prime is 223043477. The next prime is 223043521. The reversal of 223043479 is 974340322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974340322 = 2 ⋅487170161.

It is a cyclic number.

It is not a de Polignac number, because 223043479 - 2¹ = 223043477 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 (223043473) 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, 158389 + ... + 159790.

It is an arithmetic number, because the mean of its divisors is an integer number (55840590).

Almost surely, 2^223043479 is an apocalyptic number.

223043479 is a deficient number, since it is larger than the sum of its proper divisors (318881).

223043479 is an equidigital number, since it uses as much as digits as its factorization.

223043479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318880.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 223043479 is about 14934.6402367114. The cubic root of 223043479 is about 606.4521082764.

The spelling of 223043479 in words is "two hundred twenty-three million, forty-three thousand, four hundred seventy-nine".