2312456663 has 8 divisors (see below), whose sum is σ = 2531790480. Its totient is φ = 2094641280.

The previous prime is 2312456659. The next prime is 2312456683. The reversal of 2312456663 is 3666542132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2312456663 - 2² = 2312456659 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 (2312456633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376418 + ... + 382511.

It is an arithmetic number, because the mean of its divisors is an integer number (316473810).

Almost surely, 2^2312456663 is an apocalyptic number.

2312456663 is a deficient number, since it is larger than the sum of its proper divisors (219333817).

2312456663 is a wasteful number, since it uses less digits than its factorization.

2312456663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759217.

The product of its digits is 155520, while the sum is 38.

The square root of 2312456663 is about 48088.0095553975. The cubic root of 2312456663 is about 1322.3848574300.

Adding to 2312456663 its reverse (3666542132), we get a palindrome (5978998795).

The spelling of 2312456663 in words is "two billion, three hundred twelve million, four hundred fifty-six thousand, six hundred sixty-three".