423306105515 has 4 divisors (see below), whose sum is σ = 507967326624. Its totient is φ = 338644884408.

The previous prime is 423306105479. The next prime is 423306105539. The reversal of 423306105515 is 515501603324.

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

It is a cyclic number.

It is not a de Polignac number, because 423306105515 - 2¹⁶ = 423306039979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 42330610547 + ... + 42330610556.

It is an arithmetic number, because the mean of its divisors is an integer number (126991831656).

Almost surely, 2^423306105515 is an apocalyptic number.

423306105515 is a deficient number, since it is larger than the sum of its proper divisors (84661221109).

423306105515 is an equidigital number, since it uses as much as digits as its factorization.

423306105515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84661221108.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 423306105515 its reverse (515501603324), we get a palindrome (938807708839).

The spelling of 423306105515 in words is "four hundred twenty-three billion, three hundred six million, one hundred five thousand, five hundred fifteen".