4443142323 has 16 divisors (see below), whose sum is σ = 6286544640. Its totient is φ = 2785283424.

The previous prime is 4443142307. The next prime is 4443142337. The reversal of 4443142323 is 3232413444.

It is a happy number.

It is not a de Polignac number, because 4443142323 - 2⁴ = 4443142307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4443142523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541636 + ... + 549777.

It is an arithmetic number, because the mean of its divisors is an integer number (392909040).

Almost surely, 2^4443142323 is an apocalyptic number.

4443142323 is a deficient number, since it is larger than the sum of its proper divisors (1843402317).

4443142323 is a wasteful number, since it uses less digits than its factorization.

4443142323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091498.

The product of its digits is 27648, while the sum is 30.

The square root of 4443142323 is about 66656.9000404309. The cubic root of 4443142323 is about 1643.9808018223.

Adding to 4443142323 its reverse (3232413444), we get a palindrome (7675555767).

The spelling of 4443142323 in words is "four billion, four hundred forty-three million, one hundred forty-two thousand, three hundred twenty-three".