1424323420 has 24 divisors (see below), whose sum is σ = 3221162784. Its totient is φ = 525903936.

The previous prime is 1424323387. The next prime is 1424323441. The reversal of 1424323420 is 243234241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2738824 + ... + 2739343.

It is an arithmetic number, because the mean of its divisors is an integer number (134215116).

Almost surely, 2^1424323420 is an apocalyptic number.

1424323420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424323420 is an abundant number, since it is smaller than the sum of its proper divisors (1796839364).

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

1424323420 is a wasteful number, since it uses less digits than its factorization.

1424323420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5478189 (or 5478187 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1424323420 is about 37740.2095913629. The cubic root of 1424323420 is about 1125.1304329428.

Adding to 1424323420 its reverse (243234241), we get a palindrome (1667557661).

The spelling of 1424323420 in words is "one billion, four hundred twenty-four million, three hundred twenty-three thousand, four hundred twenty".