405347252343 has 8 divisors (see below), whose sum is σ = 589596003456. Its totient is φ = 245665001400.

The previous prime is 405347252339. The next prime is 405347252377. The reversal of 405347252343 is 343252743504.

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

It is not a de Polignac number, because 405347252343 - 2² = 405347252339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405347252295 and 405347252304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405347252393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6141625003 + ... + 6141625068.

It is an arithmetic number, because the mean of its divisors is an integer number (73699500432).

Almost surely, 2^405347252343 is an apocalyptic number.

405347252343 is a deficient number, since it is larger than the sum of its proper divisors (184248751113).

405347252343 is a wasteful number, since it uses less digits than its factorization.

405347252343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12283250085.

The product of its (nonzero) digits is 1209600, while the sum is 42.

Adding to 405347252343 its reverse (343252743504), we get a palindrome (748599995847).

The spelling of 405347252343 in words is "four hundred five billion, three hundred forty-seven million, two hundred fifty-two thousand, three hundred forty-three".