343321000065 has 80 divisors (see below), whose sum is σ = 654343770960. Its totient is φ = 171617771520.

The previous prime is 343321000027. The next prime is 343321000067. The reversal of 343321000065 is 560000123343.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8041784976 + 335279215089 = 89676^2 + 579033^2 .

It is not a de Polignac number, because 343321000065 - 2⁷ = 343320999937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (343321000067) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1555831 + ... + 1762739.

It is an arithmetic number, because the mean of its divisors is an integer number (8179297137).

Almost surely, 2^343321000065 is an apocalyptic number.

It is an amenable number.

343321000065 is a deficient number, since it is larger than the sum of its proper divisors (311022770895).

343321000065 is a wasteful number, since it uses less digits than its factorization.

343321000065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207184 (or 207175 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The spelling of 343321000065 in words is "three hundred forty-three billion, three hundred twenty-one million, sixty-five", and thus it is an aban number.