353040323 has 4 divisors (see below), whose sum is σ = 353374128. Its totient is φ = 352706520.

The previous prime is 353040313. The next prime is 353040361. The reversal of 353040323 is 323040353.

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 353040323 - 2⁸ = 353040067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353040313) 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, 165311 + ... + 167432.

It is an arithmetic number, because the mean of its divisors is an integer number (88343532).

Almost surely, 2^353040323 is an apocalyptic number.

353040323 is a deficient number, since it is larger than the sum of its proper divisors (333805).

353040323 is a wasteful number, since it uses less digits than its factorization.

353040323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333804.

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 353040323 is about 18789.3672857816. The cubic root of 353040323 is about 706.7645705352.

Adding to 353040323 its reverse (323040353), we get a palindrome (676080676).

The spelling of 353040323 in words is "three hundred fifty-three million, forty thousand, three hundred twenty-three".