4002321340403 has 32 divisors (see below), whose sum is σ = 4247402987520. Its totient is φ = 3766068139680.

The previous prime is 4002321340393. The next prime is 4002321340427. The reversal of 4002321340403 is 3040431232004.

It is a cyclic number.

It is not a de Polignac number, because 4002321340403 - 2¹⁶ = 4002321274867 is a prime.

It is a super-2 number, since 2×4002321340403² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4002321340453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204618338 + ... + 204637896.

It is an arithmetic number, because the mean of its divisors is an integer number (132731343360).

Almost surely, 2^{4002321340403} is an apocalyptic number.

4002321340403 is a deficient number, since it is larger than the sum of its proper divisors (245081647117).

4002321340403 is a wasteful number, since it uses less digits than its factorization.

4002321340403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20927.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 4002321340403 its reverse (3040431232004), we get a palindrome (7042752572407).

The spelling of 4002321340403 in words is "four trillion, two billion, three hundred twenty-one million, three hundred forty thousand, four hundred three".