9923013515 has 8 divisors (see below), whose sum is σ = 11957440320. Its totient is φ = 7905194752.

The previous prime is 9923013449. The next prime is 9923013539. The reversal of 9923013515 is 5153103299.

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 9923013515 - 2¹² = 9923009419 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4150694 + ... + 4153083.

It is an arithmetic number, because the mean of its divisors is an integer number (1494680040).

Almost surely, 2^9923013515 is an apocalyptic number.

9923013515 is a deficient number, since it is larger than the sum of its proper divisors (2034426805).

9923013515 is a wasteful number, since it uses less digits than its factorization.

9923013515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8304021.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 9923013515 is about 99614.3238445155. The cubic root of 9923013515 is about 2148.8916959497.

The spelling of 9923013515 in words is "nine billion, nine hundred twenty-three million, thirteen thousand, five hundred fifteen".