423223258 has 4 divisors (see below), whose sum is σ = 634834890. Its totient is φ = 211611628.

The previous prime is 423223249. The next prime is 423223259. The reversal of 423223258 is 852322324.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 422425809 + 797449 = 20553^2 + 893^2 .

It is a super-2 number, since 2×423223258² = 358235852224269128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (423223259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105805813 + ... + 105805816.

Almost surely, 2^423223258 is an apocalyptic number.

423223258 is a deficient number, since it is larger than the sum of its proper divisors (211611632).

423223258 is a wasteful number, since it uses less digits than its factorization.

423223258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211611631.

The product of its digits is 23040, while the sum is 31.

The square root of 423223258 is about 20572.3906729383. The cubic root of 423223258 is about 750.7981180791.

The spelling of 423223258 in words is "four hundred twenty-three million, two hundred twenty-three thousand, two hundred fifty-eight".