423523212 has 48 divisors (see below), whose sum is σ = 1150716672. Its totient is φ = 118722240.

The previous prime is 423523169. The next prime is 423523213. The reversal of 423523212 is 212325324.

It is a super-2 number, since 2×423523212² = 358743822205593888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423523213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43114 + ... + 52017.

It is an arithmetic number, because the mean of its divisors is an integer number (23973264).

Almost surely, 2^423523212 is an apocalyptic number.

423523212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

423523212 is an abundant number, since it is smaller than the sum of its proper divisors (727193460).

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

423523212 is a wasteful number, since it uses less digits than its factorization.

423523212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95198 (or 95196 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 423523212 is about 20579.6795893425. The cubic root of 423523212 is about 750.9754490045.

Adding to 423523212 its reverse (212325324), we get a palindrome (635848536).

The spelling of 423523212 in words is "four hundred twenty-three million, five hundred twenty-three thousand, two hundred twelve".