343671823799 has 4 divisors (see below), whose sum is σ = 343678742736. Its totient is φ = 343664904864.

The previous prime is 343671823757. The next prime is 343671823843. The reversal of 343671823799 is 997328176343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997328176343 = 20327 ⋅49064209.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343671823799 is a prime.

It is a super-2 number, since 2×343671823799² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343671823739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3384419 + ... + 3484484.

It is an arithmetic number, because the mean of its divisors is an integer number (85919685684).

Almost surely, 2^343671823799 is an apocalyptic number.

343671823799 is a deficient number, since it is larger than the sum of its proper divisors (6918937).

343671823799 is an equidigital number, since it uses as much as digits as its factorization.

343671823799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6918936.

The product of its digits is 41150592, while the sum is 62.

The spelling of 343671823799 in words is "three hundred forty-three billion, six hundred seventy-one million, eight hundred twenty-three thousand, seven hundred ninety-nine".