1423140204 has 48 divisors (see below), whose sum is σ = 3504009600. Its totient is φ = 448310016.

The previous prime is 1423140181. The next prime is 1423140209. The reversal of 1423140204 is 4020413241.

It is not an unprimeable number, because it can be changed into a prime (1423140209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88084 + ... + 102980.

It is an arithmetic number, because the mean of its divisors is an integer number (73000200).

Almost surely, 2^1423140204 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 1423140204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1752004800).

1423140204 is an abundant number, since it is smaller than the sum of its proper divisors (2080869396).

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

1423140204 is a wasteful number, since it uses less digits than its factorization.

1423140204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15342 (or 15340 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1423140204 is about 37724.5305338582. The cubic root of 1423140204 is about 1124.8187899736.

Adding to 1423140204 its reverse (4020413241), we get a palindrome (5443553445).

The spelling of 1423140204 in words is "one billion, four hundred twenty-three million, one hundred forty thousand, two hundred four".