1423585000 has 80 divisors (see below), whose sum is σ = 3480760800. Its totient is φ = 544632000.

The previous prime is 1423584989. The next prime is 1423585039. The reversal of 1423585000 is 5853241.

It is a self number, because there is not a number n which added to its sum of digits gives 1423585000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 108811 + ... + 121189.

It is an arithmetic number, because the mean of its divisors is an integer number (43509510).

Almost surely, 2^1423585000 is an apocalyptic number.

1423585000 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 1423585000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740380400).

1423585000 is an abundant number, since it is smaller than the sum of its proper divisors (2057175800).

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

1423585000 is a wasteful number, since it uses less digits than its factorization.

1423585000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12428 (or 12409 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1423585000 is about 37730.4253885376. The cubic root of 1423585000 is about 1124.9359634332.

It can be divided in two parts, 14235 and 85000, that added together give a triangular number (99235 = T₄₄₅).

The spelling of 1423585000 in words is "one billion, four hundred twenty-three million, five hundred eighty-five thousand".