1423242205 has 16 divisors (see below), whose sum is σ = 2129318784. Its totient is φ = 887215680.

The previous prime is 1423242187. The next prime is 1423242211. The reversal of 1423242205 is 5022423241.

It is not a de Polignac number, because 1423242205 - 2⁹ = 1423241693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423242205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1847982 + ... + 1848751.

It is an arithmetic number, because the mean of its divisors is an integer number (133082424).

Almost surely, 2^1423242205 is an apocalyptic number.

It is an amenable number.

1423242205 is a deficient number, since it is larger than the sum of its proper divisors (706076579).

1423242205 is a wasteful number, since it uses less digits than its factorization.

1423242205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696756.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1423242205 is about 37725.8824283807. The cubic root of 1423242205 is about 1124.8456624490.

Adding to 1423242205 its reverse (5022423241), we get a palindrome (6445665446).

The spelling of 1423242205 in words is "one billion, four hundred twenty-three million, two hundred forty-two thousand, two hundred five".