4142234321 has 4 divisors (see below), whose sum is σ = 4183246644. Its totient is φ = 4101222000.

The previous prime is 4142234309. The next prime is 4142234339. The reversal of 4142234321 is 1234322414.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2126224321 + 2016010000 = 46111^2 + 44900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4142234321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4142234521) 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, 20506010 + ... + 20506211.

It is an arithmetic number, because the mean of its divisors is an integer number (1045811661).

Almost surely, 2^4142234321 is an apocalyptic number.

It is an amenable number.

4142234321 is a deficient number, since it is larger than the sum of its proper divisors (41012323).

4142234321 is a wasteful number, since it uses less digits than its factorization.

4142234321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41012322.

The product of its digits is 4608, while the sum is 26.

The square root of 4142234321 is about 64360.1920522305. The cubic root of 4142234321 is about 1605.9975839062.

Adding to 4142234321 its reverse (1234322414), we get a palindrome (5376556735).

The spelling of 4142234321 in words is "four billion, one hundred forty-two million, two hundred thirty-four thousand, three hundred twenty-one".