2142044323 has 4 divisors (see below), whose sum is σ = 2148516088. Its totient is φ = 2135572560.

The previous prime is 2142044299. The next prime is 2142044327. The reversal of 2142044323 is 3234402412.

It is a happy number.

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 2142044323 - 2¹³ = 2142036131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142044327) 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, 3235386 + ... + 3236047.

It is an arithmetic number, because the mean of its divisors is an integer number (537129022).

Almost surely, 2^2142044323 is an apocalyptic number.

2142044323 is a deficient number, since it is larger than the sum of its proper divisors (6471765).

2142044323 is an equidigital number, since it uses as much as digits as its factorization.

2142044323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471764.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2142044323 is about 46282.2246980415. The cubic root of 2142044323 is about 1289.0689600292.

Adding to 2142044323 its reverse (3234402412), we get a palindrome (5376446735).

The spelling of 2142044323 in words is "two billion, one hundred forty-two million, forty-four thousand, three hundred twenty-three".