423429184 has 28 divisors (see below), whose sum is σ = 862956364. Its totient is φ = 205991424.

The previous prime is 423429169. The next prime is 423429187. The reversal of 423429184 is 481924324.

It can be written as a sum of positive squares in 2 ways, for example, as 401601600 + 21827584 = 20040^2 + 4672^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423429187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87039 + ... + 91774.

Almost surely, 2^423429184 is an apocalyptic number.

It is an amenable number.

423429184 is an abundant number, since it is smaller than the sum of its proper divisors (439527180).

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

423429184 is a wasteful number, since it uses less digits than its factorization.

423429184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178862 (or 178852 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 423429184 is about 20577.3949760411. The cubic root of 423429184 is about 750.9198692521.

The spelling of 423429184 in words is "four hundred twenty-three million, four hundred twenty-nine thousand, one hundred eighty-four".