346643221423 has 8 divisors (see below), whose sum is σ = 348960326240. Its totient is φ = 344326399200.

The previous prime is 346643221411. The next prime is 346643221487. The reversal of 346643221423 is 324122346643.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346643221423 is a prime.

It is a super-2 number, since 2×346643221423² (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 (346643227423) 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, 2771113 + ... + 2893501.

It is an arithmetic number, because the mean of its divisors is an integer number (43620040780).

Almost surely, 2^346643221423 is an apocalyptic number.

346643221423 is a deficient number, since it is larger than the sum of its proper divisors (2317104817).

346643221423 is a wasteful number, since it uses less digits than its factorization.

346643221423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141297.

The product of its digits is 497664, while the sum is 40.

The spelling of 346643221423 in words is "three hundred forty-six billion, six hundred forty-three million, two hundred twenty-one thousand, four hundred twenty-three".