349787116223 has 4 divisors (see below), whose sum is σ = 370362828960. Its totient is φ = 329211403488.

The previous prime is 349787116219. The next prime is 349787116307. The reversal of 349787116223 is 322611787943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349787116223 - 2² = 349787116219 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 (349787110223) 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, 10287856343 + ... + 10287856376.

It is an arithmetic number, because the mean of its divisors is an integer number (92590707240).

Almost surely, 2^349787116223 is an apocalyptic number.

349787116223 is a deficient number, since it is larger than the sum of its proper divisors (20575712737).

349787116223 is a wasteful number, since it uses less digits than its factorization.

349787116223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20575712736.

The product of its digits is 3048192, while the sum is 53.

The spelling of 349787116223 in words is "three hundred forty-nine billion, seven hundred eighty-seven million, one hundred sixteen thousand, two hundred twenty-three".