423013212 has 48 divisors (see below), whose sum is σ = 1104006400. Its totient is φ = 140065200.

The previous prime is 423013189. The next prime is 423013219. The reversal of 423013212 is 212310324.

423013212 is a `hidden beast` number, since 42 + 301 + 321 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423013219) 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, 3339 + ... + 29277.

Almost surely, 2^423013212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423013212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552003200).

423013212 is an abundant number, since it is smaller than the sum of its proper divisors (680993188).

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

423013212 is a wasteful number, since it uses less digits than its factorization.

423013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26103 (or 26095 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 423013212 is about 20567.2849934064. The cubic root of 423013212 is about 750.6738903144.

Adding to 423013212 its reverse (212310324), we get a palindrome (635323536).

The spelling of 423013212 in words is "four hundred twenty-three million, thirteen thousand, two hundred twelve".