1423880 has 16 divisors (see below), whose sum is σ = 3203820. Its totient is φ = 569536.

The previous prime is 1423853. The next prime is 1423897. The reversal of 1423880 is 883241.

It can be written as a sum of positive squares in 2 ways, for example, as 1304164 + 119716 = 1142^2 + 346^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17759 + ... + 17838.

2^1423880 is an apocalyptic number.

1423880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423880 is an abundant number, since it is smaller than the sum of its proper divisors (1779940).

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

1423880 is a wasteful number, since it uses less digits than its factorization.

1423880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35608 (or 35604 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1423880 is about 1193.2644300406. The cubic root of 1423880 is about 112.5013662386.

The spelling of 1423880 in words is "one million, four hundred twenty-three thousand, eight hundred eighty".