351207012223 has 6 divisors (see below), whose sum is σ = 353458272696. Its totient is φ = 348970000392.

The previous prime is 351207012217. The next prime is 351207012259. The reversal of 351207012223 is 322210702153.

It is a de Polignac number, because none of the positive numbers 2^k-351207012223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 351207012191 and 351207012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351207012263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7099515 + ... + 7148812.

It is an arithmetic number, because the mean of its divisors is an integer number (58909712116).

Almost surely, 2^351207012223 is an apocalyptic number.

351207012223 is a deficient number, since it is larger than the sum of its proper divisors (2251260473).

351207012223 is an equidigital number, since it uses as much as digits as its factorization.

351207012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14248641 (or 14248484 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 351207012223 its reverse (322210702153), we get a palindrome (673417714376).

The spelling of 351207012223 in words is "three hundred fifty-one billion, two hundred seven million, twelve thousand, two hundred twenty-three".