349523 has 4 divisors (see below), whose sum is σ = 351528. Its totient is φ = 347520.

The previous prime is 349519. The next prime is 349529. The reversal of 349523 is 325943.

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 349523 - 2² = 349519 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 349492 and 349501.

It is not an unprimeable number, because it can be changed into a prime (349529) 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, 713 + ... + 1098.

It is an arithmetic number, because the mean of its divisors is an integer number (87882).

2³⁴⁹⁵²³ is an apocalyptic number.

349523 is a deficient number, since it is larger than the sum of its proper divisors (2005).

349523 is a wasteful number, since it uses less digits than its factorization.

349523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004.

The product of its digits is 3240, while the sum is 26.

The square root of 349523 is about 591.2047022817. The cubic root of 349523 is about 70.4409578943.

The spelling of 349523 in words is "three hundred forty-nine thousand, five hundred twenty-three".