423452220 has 24 divisors (see below), whose sum is σ = 1185666384. Its totient is φ = 112920576.

The previous prime is 423452213. The next prime is 423452233. The reversal of 423452220 is 22254324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3528709 + ... + 3528828.

It is an arithmetic number, because the mean of its divisors is an integer number (49402766).

Almost surely, 2^423452220 is an apocalyptic number.

It is an amenable number.

423452220 is an abundant number, since it is smaller than the sum of its proper divisors (762214164).

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

423452220 is a wasteful number, since it uses less digits than its factorization.

423452220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7057549 (or 7057547 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 423452220 is about 20577.9547088626. The cubic root of 423452220 is about 750.9334865440.

The spelling of 423452220 in words is "four hundred twenty-three million, four hundred fifty-two thousand, two hundred twenty".