1423220800 has 84 divisors (see below), whose sum is σ = 3512748880. Its totient is φ = 567544320.

The previous prime is 1423220797. The next prime is 1423220863. The reversal of 1423220800 is 80223241.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 605227 + ... + 607573.

Almost surely, 2^1423220800 is an apocalyptic number.

1423220800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423220800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1756374440).

1423220800 is an abundant number, since it is smaller than the sum of its proper divisors (2089528080).

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

1423220800 is a wasteful number, since it uses less digits than its factorization.

1423220800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748 (or 2733 counting only the distinct ones).

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

The square root of 1423220800 is about 37725.5987361367. The cubic root of 1423220800 is about 1124.8400233427.

The spelling of 1423220800 in words is "one billion, four hundred twenty-three million, two hundred twenty thousand, eight hundred".