312344034402223 has 4 divisors (see below), whose sum is σ = 312476890225248. Its totient is φ = 312211178579200.

The previous prime is 312344034402209. The next prime is 312344034402259. The reversal of 312344034402223 is 322204430443213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312344034402223 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 (312344034403223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66427907986 + ... + 66427912687.

It is an arithmetic number, because the mean of its divisors is an integer number (78119222556312).

Almost surely, 2^{312344034402223} is an apocalyptic number.

312344034402223 is a deficient number, since it is larger than the sum of its proper divisors (132855823025).

312344034402223 is a wasteful number, since it uses less digits than its factorization.

312344034402223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132855823024.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 312344034402223 its reverse (322204430443213), we get a palindrome (634548464845436).

The spelling of 312344034402223 in words is "three hundred twelve trillion, three hundred forty-four billion, thirty-four million, four hundred two thousand, two hundred twenty-three".