423480 has 32 divisors (see below), whose sum is σ = 1270800. Its totient is φ = 112896.

The previous prime is 423469. The next prime is 423481. The reversal of 423480 is 84324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645 + ... + 1884.

2⁴²³⁴⁸⁰ is an apocalyptic number.

423480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423480 is an abundant number, since it is smaller than the sum of its proper divisors (847320).

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

423480 is a wasteful number, since it uses less digits than its factorization.

423480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543 (or 3539 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 423480 is about 650.7534095185. The cubic root of 423480 is about 75.0949907504.

It can be divided in two parts, 423 and 480, that added together give a triangular number (903 = T₄₂).

The spelling of 423480 in words is "four hundred twenty-three thousand, four hundred eighty".