423411220 has 48 divisors (see below), whose sum is σ = 903591360. Its totient is φ = 166634496.

The previous prime is 423411217. The next prime is 423411227. The reversal of 423411220 is 22114324.

It is a super-2 number, since 2×423411220² = 358554122443776800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423411227) 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, 628804 + ... + 629476.

It is an arithmetic number, because the mean of its divisors is an integer number (18824820).

Almost surely, 2^423411220 is an apocalyptic number.

It is an amenable number.

423411220 is an abundant number, since it is smaller than the sum of its proper divisors (480180140).

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

423411220 is a wasteful number, since it uses less digits than its factorization.

423411220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 423411220 is about 20576.9584730105. The cubic root of 423411220 is about 750.9092498335.

Adding to 423411220 its reverse (22114324), we get a palindrome (445525544).

The spelling of 423411220 in words is "four hundred twenty-three million, four hundred eleven thousand, two hundred twenty".