1324232143 has 4 divisors (see below), whose sum is σ = 1426096168. Its totient is φ = 1222368120.

The previous prime is 1324232141. The next prime is 1324232159. The reversal of 1324232143 is 3412324231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412324231 = 1811 ⋅1884221.

It is a cyclic number.

It is not a de Polignac number, because 1324232143 - 2¹ = 1324232141 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 (1324232141) 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, 50931993 + ... + 50932018.

It is an arithmetic number, because the mean of its divisors is an integer number (356524042).

Almost surely, 2^1324232143 is an apocalyptic number.

1324232143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1324232143 is a deficient number, since it is larger than the sum of its proper divisors (101864025).

1324232143 is a wasteful number, since it uses less digits than its factorization.

1324232143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101864024.

The product of its digits is 3456, while the sum is 25.

The square root of 1324232143 is about 36390.0005908216. Note that the first 3 decimals coincide. The cubic root of 1324232143 is about 1098.1324075589.

Adding to 1324232143 its reverse (3412324231), we get a palindrome (4736556374).

The spelling of 1324232143 in words is "one billion, three hundred twenty-four million, two hundred thirty-two thousand, one hundred forty-three".