1430423 has 4 divisors (see below), whose sum is σ = 1440048. Its totient is φ = 1420800.

The previous prime is 1430419. The next prime is 1430441. The reversal of 1430423 is 3240341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3240341 = 13 ⋅249257.

It is a cyclic number.

It is not a de Polignac number, because 1430423 - 2² = 1430419 is a prime.

It is a super-2 number, since 2×1430423² = 4092219917858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430413) 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, 4586 + ... + 4887.

It is an arithmetic number, because the mean of its divisors is an integer number (360012).

2^1430423 is an apocalyptic number.

1430423 is a deficient number, since it is larger than the sum of its proper divisors (9625).

1430423 is an equidigital number, since it uses as much as digits as its factorization.

1430423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9624.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1430423 is about 1196.0029264178. The cubic root of 1430423 is about 112.6734247003.

Adding to 1430423 its reverse (3240341), we get a palindrome (4670764).

The spelling of 1430423 in words is "one million, four hundred thirty thousand, four hundred twenty-three".