423574272 has 216 divisors, whose sum is σ = 1383869760. Its totient is φ = 128148480.

The previous prime is 423574253. The next prime is 423574303. The reversal of 423574272 is 272475324.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 683979 + ... + 684597.

Almost surely, 2^423574272 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 423574272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691934880).

423574272 is an abundant number, since it is smaller than the sum of its proper divisors (960295488).

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

423574272 is an equidigital number, since it uses as much as digits as its factorization.

423574272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 635 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 423574272 is about 20580.9200960501. The cubic root of 423574272 is about 751.0056270164.

The spelling of 423574272 in words is "four hundred twenty-three million, five hundred seventy-four thousand, two hundred seventy-two".