2142332443 has 4 divisors (see below), whose sum is σ = 2142949608. Its totient is φ = 2141715280.

The previous prime is 2142332417. The next prime is 2142332453. The reversal of 2142332443 is 3442332412.

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 2142332443 - 2¹⁷ = 2142201371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142332453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303346 + ... + 310327.

It is an arithmetic number, because the mean of its divisors is an integer number (535737402).

Almost surely, 2^2142332443 is an apocalyptic number.

2142332443 is a deficient number, since it is larger than the sum of its proper divisors (617165).

2142332443 is an equidigital number, since it uses as much as digits as its factorization.

2142332443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617164.

The product of its digits is 13824, while the sum is 28.

The square root of 2142332443 is about 46285.3372354572. The cubic root of 2142332443 is about 1289.1267537132.

Adding to 2142332443 its reverse (3442332412), we get a palindrome (5584664855).

The spelling of 2142332443 in words is "two billion, one hundred forty-two million, three hundred thirty-two thousand, four hundred forty-three".