351223243 has 8 divisors (see below), whose sum is σ = 401561600. Its totient is φ = 300925800.

The previous prime is 351223241. The next prime is 351223289. The reversal of 351223243 is 342322153.

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

It is not a de Polignac number, because 351223243 - 2¹ = 351223241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351223241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11158 + ... + 28756.

It is an arithmetic number, because the mean of its divisors is an integer number (50195200).

Almost surely, 2^351223243 is an apocalyptic number.

351223243 is a deficient number, since it is larger than the sum of its proper divisors (50338357).

351223243 is a wasteful number, since it uses less digits than its factorization.

351223243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20457.

The product of its digits is 4320, while the sum is 25.

The square root of 351223243 is about 18740.9509630648. The cubic root of 351223243 is about 705.5499241973.

Adding to 351223243 its reverse (342322153), we get a palindrome (693545396).

The spelling of 351223243 in words is "three hundred fifty-one million, two hundred twenty-three thousand, two hundred forty-three".