223442303 has 12 divisors (see below), whose sum is σ = 268887240. Its totient is φ = 184916592.

The previous prime is 223442281. The next prime is 223442357. The reversal of 223442303 is 303244322.

It is not a de Polignac number, because 223442303 - 2⁶ = 223442239 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 (223442363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77201 + ... + 80042.

It is an arithmetic number, because the mean of its divisors is an integer number (22407270).

Almost surely, 2^223442303 is an apocalyptic number.

223442303 is a deficient number, since it is larger than the sum of its proper divisors (45444937).

223442303 is a wasteful number, since it uses less digits than its factorization.

223442303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157286 (or 157279 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 223442303 is about 14947.9865868283. The cubic root of 223442303 is about 606.8133586756.

Adding to 223442303 its reverse (303244322), we get a palindrome (526686625).

The spelling of 223442303 in words is "two hundred twenty-three million, four hundred forty-two thousand, three hundred three".