351342223 has 4 divisors (see below), whose sum is σ = 351613168. Its totient is φ = 351071280.

The previous prime is 351342209. The next prime is 351342263. The reversal of 351342223 is 322243153.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351342223 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 (351342263) 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, 133518 + ... + 136123.

It is an arithmetic number, because the mean of its divisors is an integer number (87903292).

Almost surely, 2^351342223 is an apocalyptic number.

351342223 is a deficient number, since it is larger than the sum of its proper divisors (270945).

351342223 is a wasteful number, since it uses less digits than its factorization.

351342223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270944.

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

The square root of 351342223 is about 18744.1250262582. The cubic root of 351342223 is about 705.6295856418.

Adding to 351342223 its reverse (322243153), we get a palindrome (673585376).

The spelling of 351342223 in words is "three hundred fifty-one million, three hundred forty-two thousand, two hundred twenty-three".