312440402424223 has 8 divisors (see below), whose sum is σ = 320117358370320. Its totient is φ = 304766134969920.

The previous prime is 312440402424181. The next prime is 312440402424287. The reversal of 312440402424223 is 322424204044213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312440402424223 - 2⁹ = 312440402423711 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 (312440402424323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671887665 + ... + 672352522.

It is an arithmetic number, because the mean of its divisors is an integer number (40014669796290).

Almost surely, 2^{312440402424223} is an apocalyptic number.

312440402424223 is a deficient number, since it is larger than the sum of its proper divisors (7676955946097).

312440402424223 is a wasteful number, since it uses less digits than its factorization.

312440402424223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344245897.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 312440402424223 its reverse (322424204044213), we get a palindrome (634864606468436).

The spelling of 312440402424223 in words is "three hundred twelve trillion, four hundred forty billion, four hundred two million, four hundred twenty-four thousand, two hundred twenty-three".