1423543235 has 4 divisors (see below), whose sum is σ = 1708251888. Its totient is φ = 1138834584.

The previous prime is 1423543207. The next prime is 1423543241. The reversal of 1423543235 is 5323453241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1423543235 - 2²⁰ = 1422494659 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142354319 + ... + 142354328.

It is an arithmetic number, because the mean of its divisors is an integer number (427062972).

Almost surely, 2^1423543235 is an apocalyptic number.

1423543235 is a deficient number, since it is larger than the sum of its proper divisors (284708653).

1423543235 is an equidigital number, since it uses as much as digits as its factorization.

1423543235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284708652.

The product of its digits is 43200, while the sum is 32.

The square root of 1423543235 is about 37729.8719186800. The cubic root of 1423543235 is about 1124.9249622379.

Adding to 1423543235 its reverse (5323453241), we get a palindrome (6746996476).

The spelling of 1423543235 in words is "one billion, four hundred twenty-three million, five hundred forty-three thousand, two hundred thirty-five".