1430004423 has 4 divisors (see below), whose sum is σ = 1906672568. Its totient is φ = 953336280.

The previous prime is 1430004403. The next prime is 1430004449. The reversal of 1430004423 is 3244000341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3244000341 = 3 ⋅1081333447.

It is not a de Polignac number, because 1430004423 - 2¹³ = 1429996231 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 1430004423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430004403) 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, 238334068 + ... + 238334073.

It is an arithmetic number, because the mean of its divisors is an integer number (476668142).

Almost surely, 2^1430004423 is an apocalyptic number.

1430004423 is a deficient number, since it is larger than the sum of its proper divisors (476668145).

1430004423 is an equidigital number, since it uses as much as digits as its factorization.

1430004423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476668144.

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

The square root of 1430004423 is about 37815.3992838896. The cubic root of 1430004423 is about 1126.6243328845.

Adding to 1430004423 its reverse (3244000341), we get a palindrome (4674004764).

The spelling of 1430004423 in words is "one billion, four hundred thirty million, four thousand, four hundred twenty-three".