1420302423 has 4 divisors (see below), whose sum is σ = 1893736568. Its totient is φ = 946868280.

The previous prime is 1420302379. The next prime is 1420302431. The reversal of 1420302423 is 3242030241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3242030241 = 3 ⋅1080676747.

It is not a de Polignac number, because 1420302423 - 2¹³ = 1420294231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420302423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420302473) 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 3 ways as a sum of consecutive naturals, for example, 236717068 + ... + 236717073.

It is an arithmetic number, because the mean of its divisors is an integer number (473434142).

Almost surely, 2^1420302423 is an apocalyptic number.

1420302423 is a deficient number, since it is larger than the sum of its proper divisors (473434145).

1420302423 is an equidigital number, since it uses as much as digits as its factorization.

1420302423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473434144.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1420302423 is about 37686.8998857693. The cubic root of 1420302423 is about 1124.0706525393.

Adding to 1420302423 its reverse (3242030241), we get a palindrome (4662332664).

It can be divided in two parts, 142030 and 2423, that added together give a triangular number (144453 = T₅₃₇).

The spelling of 1420302423 in words is "one billion, four hundred twenty million, three hundred two thousand, four hundred twenty-three".