1423024040 has 64 divisors (see below), whose sum is σ = 3258178560. Its totient is φ = 559249920.

The previous prime is 1423024039. The next prime is 1423024051. The reversal of 1423024040 is 404203241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907337 + ... + 908903.

It is an arithmetic number, because the mean of its divisors is an integer number (50909040).

Almost surely, 2^1423024040 is an apocalyptic number.

1423024040 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 1423024040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629089280).

1423024040 is an abundant number, since it is smaller than the sum of its proper divisors (1835154520).

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

1423024040 is a wasteful number, since it uses less digits than its factorization.

1423024040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1423024040 is about 37722.9908676393. The cubic root of 1423024040 is about 1124.7881846486.

Adding to 1423024040 its reverse (404203241), we get a palindrome (1827227281).

The spelling of 1423024040 in words is "one billion, four hundred twenty-three million, twenty-four thousand, forty".