423313212 has 48 divisors (see below), whose sum is σ = 1129927680. Its totient is φ = 120829632.

The previous prime is 423313171. The next prime is 423313223. The reversal of 423313212 is 212313324.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123214 + ... + 126602.

It is an arithmetic number, because the mean of its divisors is an integer number (23540160).

Almost surely, 2^423313212 is an apocalyptic number.

423313212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

423313212 is an abundant number, since it is smaller than the sum of its proper divisors (706614468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423313212 is a wasteful number, since it uses less digits than its factorization.

423313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890 (or 4888 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 423313212 is about 20574.5768364747. The cubic root of 423313212 is about 750.8513071138.

Adding to 423313212 its reverse (212313324), we get a palindrome (635626536).

The spelling of 423313212 in words is "four hundred twenty-three million, three hundred thirteen thousand, two hundred twelve".