1420043023 has 8 divisors (see below), whose sum is σ = 1693467648. Its totient is φ = 1164258744.

The previous prime is 1420042951. The next prime is 1420043041. The reversal of 1420043023 is 3203400241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420043023 - 2¹³ = 1420034831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420043083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4409911 + ... + 4410232.

It is an arithmetic number, because the mean of its divisors is an integer number (211683456).

Almost surely, 2^1420043023 is an apocalyptic number.

1420043023 is a deficient number, since it is larger than the sum of its proper divisors (273424625).

1420043023 is an equidigital number, since it uses as much as digits as its factorization.

1420043023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8820173.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1420043023 is about 37683.4582144474. The cubic root of 1420043023 is about 1124.0022160158.

Adding to 1420043023 its reverse (3203400241), we get a palindrome (4623443264).

The spelling of 1420043023 in words is "one billion, four hundred twenty million, forty-three thousand, twenty-three".