350223403 has 2 divisors, whose sum is σ = 350223404. Its totient is φ = 350223402.

The previous prime is 350223373. The next prime is 350223439. The reversal of 350223403 is 304322053.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-350223403 is a prime.

It is not a weakly prime, because it can be changed into another prime (350223473) 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 as a sum of consecutive naturals, namely, 175111701 + 175111702.

It is an arithmetic number, because the mean of its divisors is an integer number (175111702).

Almost surely, 2^350223403 is an apocalyptic number.

350223403 is a deficient number, since it is larger than the sum of its proper divisors (1).

350223403 is an equidigital number, since it uses as much as digits as its factorization.

350223403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 350223403 is about 18714.2566777310. The cubic root of 350223403 is about 704.8797829992.

Adding to 350223403 its reverse (304322053), we get a palindrome (654545456).

The spelling of 350223403 in words is "three hundred fifty million, two hundred twenty-three thousand, four hundred three".