1424021423431 has 16 divisors (see below), whose sum is σ = 1430480620800. Its totient is φ = 1417580828928.

The previous prime is 1424021423417. The next prime is 1424021423441. The reversal of 1424021423431 is 1343241204241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1424021423431 - 2¹⁵ = 1424021390663 is a prime.

It is a super-2 number, since 2×1424021423431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1424021423393 and 1424021423402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424021423441) by changing a digit.

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, 626493111 + ... + 626495383.

It is an arithmetic number, because the mean of its divisors is an integer number (89405038800).

Almost surely, 2^{1424021423431} is an apocalyptic number.

1424021423431 is a deficient number, since it is larger than the sum of its proper divisors (6459197369).

1424021423431 is a wasteful number, since it uses less digits than its factorization.

1424021423431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1424021423431 its reverse (1343241204241), we get a palindrome (2767262627672).

The spelling of 1424021423431 in words is "one trillion, four hundred twenty-four billion, twenty-one million, four hundred twenty-three thousand, four hundred thirty-one".