349168923 has 6 divisors (see below), whose sum is σ = 504355124. Its totient is φ = 232779276.

The previous prime is 349168913. The next prime is 349168943. The reversal of 349168923 is 329861943.

It is a happy number.

It is not a de Polignac number, because 349168923 - 2¹⁴ = 349152539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349168913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19398265 + ... + 19398282.

Almost surely, 2^349168923 is an apocalyptic number.

349168923 is a deficient number, since it is larger than the sum of its proper divisors (155186201).

349168923 is a wasteful number, since it uses less digits than its factorization.

349168923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38796553 (or 38796550 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 349168923 is about 18686.0622657638. The cubic root of 349168923 is about 704.1716360903.

The spelling of 349168923 in words is "three hundred forty-nine million, one hundred sixty-eight thousand, nine hundred twenty-three".