345340353 has 8 divisors (see below), whose sum is σ = 471162208. Its totient is φ = 224872704.

The previous prime is 345340343. The next prime is 345340361. The reversal of 345340353 is 353043543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345340353 - 2⁸ = 345340097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345340353.

It is not an unprimeable number, because it can be changed into a prime (345340313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1338400 + ... + 1338657.

It is an arithmetic number, because the mean of its divisors is an integer number (58895276).

Almost surely, 2^345340353 is an apocalyptic number.

It is an amenable number.

345340353 is a deficient number, since it is larger than the sum of its proper divisors (125821855).

345340353 is a wasteful number, since it uses less digits than its factorization.

345340353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677103.

The product of its (nonzero) digits is 32400, while the sum is 30.

The square root of 345340353 is about 18583.3353572495. The cubic root of 345340353 is about 701.5884695221.

Adding to 345340353 its reverse (353043543), we get a palindrome (698383896).

The spelling of 345340353 in words is "three hundred forty-five million, three hundred forty thousand, three hundred fifty-three".