1423043131 has 4 divisors (see below), whose sum is σ = 1443086064. Its totient is φ = 1403000200.

The previous prime is 1423043113. The next prime is 1423043147. The reversal of 1423043131 is 1313403241.

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 1423043131 - 2¹³ = 1423034939 is a prime.

It is a super-2 number, since 2×1423043131² = 4050103505372566322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423043101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10021360 + ... + 10021501.

It is an arithmetic number, because the mean of its divisors is an integer number (360771516).

Almost surely, 2^1423043131 is an apocalyptic number.

1423043131 is a deficient number, since it is larger than the sum of its proper divisors (20042933).

1423043131 is an equidigital number, since it uses as much as digits as its factorization.

1423043131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20042932.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1423043131 is about 37723.2439087627. The cubic root of 1423043131 is about 1124.7932146023.

Adding to 1423043131 its reverse (1313403241), we get a palindrome (2736446372).

The spelling of 1423043131 in words is "one billion, four hundred twenty-three million, forty-three thousand, one hundred thirty-one".