343263523 has 4 divisors (see below), whose sum is σ = 358188048. Its totient is φ = 328339000.

The previous prime is 343263491. The next prime is 343263533. The reversal of 343263523 is 325362343.

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 343263523 - 2⁵ = 343263491 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343263533) 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, 7462228 + ... + 7462273.

It is an arithmetic number, because the mean of its divisors is an integer number (89547012).

Almost surely, 2^343263523 is an apocalyptic number.

343263523 is a deficient number, since it is larger than the sum of its proper divisors (14924525).

343263523 is a wasteful number, since it uses less digits than its factorization.

343263523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14924524.

The product of its digits is 38880, while the sum is 31.

The square root of 343263523 is about 18527.3722637615. The cubic root of 343263523 is about 700.1792214568.

The spelling of 343263523 in words is "three hundred forty-three million, two hundred sixty-three thousand, five hundred twenty-three".