4005340552423 has 6 divisors (see below), whose sum is σ = 4659273703896. Its totient is φ = 3433149044892.

The previous prime is 4005340552417. The next prime is 4005340552429. The reversal of 4005340552423 is 3242550435004.

It is an interprime number because it is at equal distance from previous prime (4005340552417) and next prime (4005340552429).

It is a de Polignac number, because none of the positive numbers 2^k-4005340552423 is a prime.

It is a super-2 number, since 2×4005340552423² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005340552429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40870821915 + ... + 40870822012.

It is an arithmetic number, because the mean of its divisors is an integer number (776545617316).

Almost surely, 2^{4005340552423} is an apocalyptic number.

4005340552423 is a deficient number, since it is larger than the sum of its proper divisors (653933151473).

4005340552423 is an equidigital number, since it uses as much as digits as its factorization.

4005340552423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81741643941 (or 81741643934 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 4005340552423 its reverse (3242550435004), we get a palindrome (7247890987427).

The spelling of 4005340552423 in words is "four trillion, five billion, three hundred forty million, five hundred fifty-two thousand, four hundred twenty-three".