223423442 has 32 divisors (see below), whose sum is σ = 380540160. Its totient is φ = 97488720.

The previous prime is 223423441. The next prime is 223423463. The reversal of 223423442 is 244324322.

It is a happy number.

223423442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (223423441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53813 + ... + 57815.

It is an arithmetic number, because the mean of its divisors is an integer number (11891880).

Almost surely, 2^223423442 is an apocalyptic number.

223423442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

223423442 is a deficient number, since it is larger than the sum of its proper divisors (157116718).

223423442 is a wasteful number, since it uses less digits than its factorization.

223423442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118.

The product of its digits is 9216, while the sum is 26.

The square root of 223423442 is about 14947.3556858730. The cubic root of 223423442 is about 606.7962842770.

Adding to 223423442 its reverse (244324322), we get a palindrome (467747764).

The spelling of 223423442 in words is "two hundred twenty-three million, four hundred twenty-three thousand, four hundred forty-two".