349808423 has 4 divisors (see below), whose sum is σ = 351762840. Its totient is φ = 347854008.

The previous prime is 349808401. The next prime is 349808429. The reversal of 349808423 is 324808943.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324808943 = 10631 ⋅30553.

It is a cyclic number.

It is not a de Polignac number, because 349808423 - 2¹⁴ = 349792039 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 (349808429) 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, 976940 + ... + 977297.

It is an arithmetic number, because the mean of its divisors is an integer number (87940710).

Almost surely, 2^349808423 is an apocalyptic number.

349808423 is a deficient number, since it is larger than the sum of its proper divisors (1954417).

349808423 is a wasteful number, since it uses less digits than its factorization.

349808423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954416.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 349808423 is about 18703.1661223441. The cubic root of 349808423 is about 704.6012687536.

The spelling of 349808423 in words is "three hundred forty-nine million, eight hundred eight thousand, four hundred twenty-three".