4232040321 has 4 divisors (see below), whose sum is σ = 5642720432. Its totient is φ = 2821360212.

The previous prime is 4232040311. The next prime is 4232040343. The reversal of 4232040321 is 1230402324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4232040321 - 2⁹ = 4232039809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4232040311) 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, 705340051 + ... + 705340056.

It is an arithmetic number, because the mean of its divisors is an integer number (1410680108).

Almost surely, 2^4232040321 is an apocalyptic number.

It is an amenable number.

4232040321 is a deficient number, since it is larger than the sum of its proper divisors (1410680111).

4232040321 is a wasteful number, since it uses less digits than its factorization.

4232040321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410680110.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4232040321 is about 65054.1337733430. The cubic root of 4232040321 is about 1617.5210168415.

Adding to 4232040321 its reverse (1230402324), we get a palindrome (5462442645).

The spelling of 4232040321 in words is "four billion, two hundred thirty-two million, forty thousand, three hundred twenty-one".