4323312505 has 8 divisors (see below), whose sum is σ = 5246267400. Its totient is φ = 3419788416.

The previous prime is 4323312479. The next prime is 4323312557. The reversal of 4323312505 is 5052133234.

It can be written as a sum of positive squares in 4 ways, for example, as 159062544 + 4164249961 = 12612^2 + 64531^2 .

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 4323312505 - 2²³ = 4314923897 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4857210 + ... + 4858099.

It is an arithmetic number, because the mean of its divisors is an integer number (655783425).

Almost surely, 2^4323312505 is an apocalyptic number.

It is an amenable number.

4323312505 is a deficient number, since it is larger than the sum of its proper divisors (922954895).

4323312505 is an equidigital number, since it uses as much as digits as its factorization.

4323312505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9715403.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 4323312505 is about 65751.9011512215. The cubic root of 4323312505 is about 1629.0667377681.

Adding to 4323312505 its reverse (5052133234), we get a palindrome (9375445739).

The spelling of 4323312505 in words is "four billion, three hundred twenty-three million, three hundred twelve thousand, five hundred five".