1424423421 has 64 divisors (see below), whose sum is σ = 2334355200. Its totient is φ = 854396928.

The previous prime is 1424423401. The next prime is 1424423423. The reversal of 1424423421 is 1243244241.

1424423421 is a `hidden beast` number, since 1 + 424 + 4 + 234 + 2 + 1 = 666.

It is not a de Polignac number, because 1424423421 - 2¹⁴ = 1424407037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424423423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1503670 + ... + 1504616.

It is an arithmetic number, because the mean of its divisors is an integer number (36474300).

Almost surely, 2^1424423421 is an apocalyptic number.

It is an amenable number.

1424423421 is a deficient number, since it is larger than the sum of its proper divisors (909931779).

1424423421 is a wasteful number, since it uses less digits than its factorization.

1424423421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1109 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 1424423421 is about 37741.5344282662. The cubic root of 1424423421 is about 1125.1567639324.

Adding to 1424423421 its reverse (1243244241), we get a palindrome (2667667662).

The spelling of 1424423421 in words is "one billion, four hundred twenty-four million, four hundred twenty-three thousand, four hundred twenty-one".