1423480 has 32 divisors (see below), whose sum is σ = 3373200. Its totient is φ = 539136.

The previous prime is 1423469. The next prime is 1423481. The reversal of 1423480 is 843241.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177 + ... + 1696.

2^1423480 is an apocalyptic number.

1423480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423480 is an abundant number, since it is smaller than the sum of its proper divisors (1949720).

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

1423480 is a wasteful number, since it uses less digits than its factorization.

1423480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1423480 is about 1193.0968108247. The cubic root of 1423480 is about 112.4908305284.

The spelling of 1423480 in words is "one million, four hundred twenty-three thousand, four hundred eighty".