403442223 has 4 divisors (see below), whose sum is σ = 537922968. Its totient is φ = 268961480.

The previous prime is 403442203. The next prime is 403442231. The reversal of 403442223 is 322244304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 403442223 - 2¹² = 403438127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403442193 and 403442202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403442203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67240368 + ... + 67240373.

It is an arithmetic number, because the mean of its divisors is an integer number (134480742).

Almost surely, 2^403442223 is an apocalyptic number.

403442223 is a deficient number, since it is larger than the sum of its proper divisors (134480745).

403442223 is a wasteful number, since it uses less digits than its factorization.

403442223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134480744.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 403442223 is about 20085.8712283037. The cubic root of 403442223 is about 738.9138088023.

Adding to 403442223 its reverse (322244304), we get a palindrome (725686527).

The spelling of 403442223 in words is "four hundred three million, four hundred forty-two thousand, two hundred twenty-three".