1423580928 has 432 divisors, whose sum is σ = 5089069440. Its totient is φ = 348364800.

The previous prime is 1423580911. The next prime is 1423580941. The reversal of 1423580928 is 8290853241.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1423580928.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7864998 + ... + 7865178.

Almost surely, 2^1423580928 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 1423580928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2544534720).

1423580928 is an abundant number, since it is smaller than the sum of its proper divisors (3665488512).

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

1423580928 is a wasteful number, since it uses less digits than its factorization.

1423580928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1423580928 is about 37730.3714267432. The cubic root of 1423580928 is about 1124.9348908492.

The spelling of 1423580928 in words is "one billion, four hundred twenty-three million, five hundred eighty thousand, nine hundred twenty-eight".