423223412 has 6 divisors (see below), whose sum is σ = 740640978. Its totient is φ = 211611704.

The previous prime is 423223393. The next prime is 423223421. The reversal of 423223412 is 214322324.

It can be written as a sum of positive squares in only one way, i.e., 409414756 + 13808656 = 20234^2 + 3716^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52902923 + ... + 52902930.

It is an arithmetic number, because the mean of its divisors is an integer number (123440163).

Almost surely, 2^423223412 is an apocalyptic number.

It is an amenable number.

423223412 is a deficient number, since it is larger than the sum of its proper divisors (317417566).

423223412 is a wasteful number, since it uses less digits than its factorization.

423223412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105805857 (or 105805855 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 423223412 is about 20572.3944158185. The cubic root of 423223412 is about 750.7982091445.

Adding to 423223412 its reverse (214322324), we get a palindrome (637545736).

The spelling of 423223412 in words is "four hundred twenty-three million, two hundred twenty-three thousand, four hundred twelve".