312403340402223 has 64 divisors (see below), whose sum is σ = 492707759923200. Its totient is φ = 172273232073600.

The previous prime is 312403340402221. The next prime is 312403340402261. The reversal of 312403340402223 is 322204043304213.

It is not a de Polignac number, because 312403340402223 - 2¹ = 312403340402221 is a prime.

It is a super-2 number, since 2×312403340402223² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312403340402221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17430295140 + ... + 17430313062.

It is an arithmetic number, because the mean of its divisors is an integer number (7698558748800).

Almost surely, 2^{312403340402223} is an apocalyptic number.

312403340402223 is a deficient number, since it is larger than the sum of its proper divisors (180304419520977).

312403340402223 is a wasteful number, since it uses less digits than its factorization.

312403340402223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30852.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 312403340402223 its reverse (322204043304213), we get a palindrome (634607383706436).

The spelling of 312403340402223 in words is "three hundred twelve trillion, four hundred three billion, three hundred forty million, four hundred two thousand, two hundred twenty-three".