403321020343 has 8 divisors (see below), whose sum is σ = 405294407168. Its totient is φ = 401349105144.

The previous prime is 403321020301. The next prime is 403321020367. The reversal of 403321020343 is 343020123304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 403321020343 - 2¹⁷ = 403320889271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403321020383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183580 + ... + 916702.

It is an arithmetic number, because the mean of its divisors is an integer number (50661800896).

Almost surely, 2^403321020343 is an apocalyptic number.

403321020343 is a deficient number, since it is larger than the sum of its proper divisors (1973386825).

403321020343 is a wasteful number, since it uses less digits than its factorization.

403321020343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735813.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 403321020343 its reverse (343020123304), we get a palindrome (746341143647).

The spelling of 403321020343 in words is "four hundred three billion, three hundred twenty-one million, twenty thousand, three hundred forty-three".