1423140224 has 32 divisors (see below), whose sum is σ = 3092907240. Its totient is φ = 646881280.

The previous prime is 1423140209. The next prime is 1423140247. The reversal of 1423140224 is 4220413241.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1423140224.

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 3 ways as a sum of consecutive naturals, for example, 503969 + ... + 506784.

Almost surely, 2^1423140224 is an apocalyptic number.

It is an amenable number.

1423140224 is an abundant number, since it is smaller than the sum of its proper divisors (1669767016).

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

1423140224 is a wasteful number, since it uses less digits than its factorization.

1423140224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010778 (or 1010766 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1423140224 is about 37724.5307989377. The cubic root of 1423140224 is about 1124.8187952427.

Adding to 1423140224 its reverse (4220413241), we get a palindrome (5643553465).

The spelling of 1423140224 in words is "one billion, four hundred twenty-three million, one hundred forty thousand, two hundred twenty-four".