1420004323 has 4 divisors (see below), whose sum is σ = 1422399528. Its totient is φ = 1417609120.

The previous prime is 1420004297. The next prime is 1420004347. The reversal of 1420004323 is 3234000241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3234000241 = 19 ⋅170210539.

It is a cyclic number.

It is not a de Polignac number, because 1420004323 - 2¹³ = 1419996131 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 1420004323.

It is not an unprimeable number, because it can be changed into a prime (1420004363) 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, 1196713 + ... + 1197898.

It is an arithmetic number, because the mean of its divisors is an integer number (355599882).

Almost surely, 2^1420004323 is an apocalyptic number.

1420004323 is a deficient number, since it is larger than the sum of its proper divisors (2395205).

1420004323 is an equidigital number, since it uses as much as digits as its factorization.

1420004323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395204.

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

The square root of 1420004323 is about 37682.9447230441. The cubic root of 1420004323 is about 1123.9920052263.

Adding to 1420004323 its reverse (3234000241), we get a palindrome (4654004564).

The spelling of 1420004323 in words is "one billion, four hundred twenty million, four thousand, three hundred twenty-three".