347131223 has 2 divisors, whose sum is σ = 347131224. Its totient is φ = 347131222.

The previous prime is 347131199. The next prime is 347131261. The reversal of 347131223 is 322131743.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 347131223 - 2⁸ = 347130967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 347131192 and 347131201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347131523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173565611 + 173565612.

It is an arithmetic number, because the mean of its divisors is an integer number (173565612).

Almost surely, 2^347131223 is an apocalyptic number.

347131223 is a deficient number, since it is larger than the sum of its proper divisors (1).

347131223 is an equidigital number, since it uses as much as digits as its factorization.

347131223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 26.

The square root of 347131223 is about 18631.4578871327. The cubic root of 347131223 is about 702.7991476801.

Adding to 347131223 its reverse (322131743), we get a palindrome (669262966).

The spelling of 347131223 in words is "three hundred forty-seven million, one hundred thirty-one thousand, two hundred twenty-three".