351312223223 has 16 divisors (see below), whose sum is σ = 380042589696. Its totient is φ = 322827366240.

The previous prime is 351312223211. The next prime is 351312223243. The reversal of 351312223223 is 322322213153.

It is not a de Polignac number, because 351312223223 - 2¹⁶ = 351312157687 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 (351312223243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4911788 + ... + 4982798.

It is an arithmetic number, because the mean of its divisors is an integer number (23752661856).

Almost surely, 2^351312223223 is an apocalyptic number.

351312223223 is a deficient number, since it is larger than the sum of its proper divisors (28730366473).

351312223223 is a wasteful number, since it uses less digits than its factorization.

351312223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72734.

The product of its digits is 12960, while the sum is 29.

Adding to 351312223223 its reverse (322322213153), we get a palindrome (673634436376).

The spelling of 351312223223 in words is "three hundred fifty-one billion, three hundred twelve million, two hundred twenty-three thousand, two hundred twenty-three".