10247221515323 has 4 divisors (see below), whose sum is σ = 11035469324208. Its totient is φ = 9458973706440.

The previous prime is 10247221515301. The next prime is 10247221515331. The reversal of 10247221515323 is 32351512274201.

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 10247221515323 - 2²⁴ = 10247204738107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10247221515373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394123904423 + ... + 394123904448.

It is an arithmetic number, because the mean of its divisors is an integer number (2758867331052).

Almost surely, 2^{10247221515323} is an apocalyptic number.

10247221515323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10247221515323 is a deficient number, since it is larger than the sum of its proper divisors (788247808885).

10247221515323 is an equidigital number, since it uses as much as digits as its factorization.

10247221515323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788247808884.

The product of its (nonzero) digits is 100800, while the sum is 38.

Adding to 10247221515323 its reverse (32351512274201), we get a palindrome (42598733789524).

The spelling of 10247221515323 in words is "ten trillion, two hundred forty-seven billion, two hundred twenty-one million, five hundred fifteen thousand, three hundred twenty-three".