240403343 has 4 divisors (see below), whose sum is σ = 241611600. Its totient is φ = 239195088.

The previous prime is 240403327. The next prime is 240403367. The reversal of 240403343 is 343304042.

It is a happy number.

240403343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 240403343 - 2⁴ = 240403327 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 (240403313) 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, 603830 + ... + 604227.

It is an arithmetic number, because the mean of its divisors is an integer number (60402900).

Almost surely, 2^240403343 is an apocalyptic number.

240403343 is a deficient number, since it is larger than the sum of its proper divisors (1208257).

240403343 is a wasteful number, since it uses less digits than its factorization.

240403343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208256.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 240403343 is about 15504.9457593376. The cubic root of 240403343 is about 621.7944398156.

Adding to 240403343 its reverse (343304042), we get a palindrome (583707385).

The spelling of 240403343 in words is "two hundred forty million, four hundred three thousand, three hundred forty-three".