4012323321 has 16 divisors (see below), whose sum is σ = 5380798464. Its totient is φ = 2659405824.

The previous prime is 4012323317. The next prime is 4012323331. The reversal of 4012323321 is 1233232104.

It is not a de Polignac number, because 4012323321 - 2² = 4012323317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4012323311) 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, 424776 + ... + 434118.

It is an arithmetic number, because the mean of its divisors is an integer number (336299904).

Almost surely, 2^4012323321 is an apocalyptic number.

It is an amenable number.

4012323321 is a deficient number, since it is larger than the sum of its proper divisors (1368475143).

4012323321 is a wasteful number, since it uses less digits than its factorization.

4012323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10160.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 4012323321 is about 63342.9026884623. The cubic root of 4012323321 is about 1589.0295517942.

Adding to 4012323321 its reverse (1233232104), we get a palindrome (5245555425).

The spelling of 4012323321 in words is "four billion, twelve million, three hundred twenty-three thousand, three hundred twenty-one".