1420424423 has 4 divisors (see below), whose sum is σ = 1549553928. Its totient is φ = 1291294920.

The previous prime is 1420424419. The next prime is 1420424431. The reversal of 1420424423 is 3244240241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420424423 - 2² = 1420424419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420424392 and 1420424401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420424323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64564736 + ... + 64564757.

It is an arithmetic number, because the mean of its divisors is an integer number (387388482).

Almost surely, 2^1420424423 is an apocalyptic number.

1420424423 is a deficient number, since it is larger than the sum of its proper divisors (129129505).

1420424423 is a wasteful number, since it uses less digits than its factorization.

1420424423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129129504.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1420424423 is about 37688.5184505839. The cubic root of 1420424423 is about 1124.1028364580.

Adding to 1420424423 its reverse (3244240241), we get a palindrome (4664664664).

The spelling of 1420424423 in words is "one billion, four hundred twenty million, four hundred twenty-four thousand, four hundred twenty-three".