1423524143 has 4 divisors (see below), whose sum is σ = 1444770840. Its totient is φ = 1402277448.

The previous prime is 1423524139. The next prime is 1423524149. The reversal of 1423524143 is 3414253241.

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 1423524143 - 2² = 1423524139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423524149) 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, 10623248 + ... + 10623381.

It is an arithmetic number, because the mean of its divisors is an integer number (361192710).

Almost surely, 2^1423524143 is an apocalyptic number.

1423524143 is a deficient number, since it is larger than the sum of its proper divisors (21246697).

1423524143 is an equidigital number, since it uses as much as digits as its factorization.

1423524143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21246696.

The product of its digits is 11520, while the sum is 29.

The square root of 1423524143 is about 37729.6189087566. The cubic root of 1423524143 is about 1124.9199331989.

Adding to 1423524143 its reverse (3414253241), we get a palindrome (4837777384).

The spelling of 1423524143 in words is "one billion, four hundred twenty-three million, five hundred twenty-four thousand, one hundred forty-three".