10221770723 has 2 divisors, whose sum is σ = 10221770724. Its totient is φ = 10221770722.

The previous prime is 10221770711. The next prime is 10221770743. The reversal of 10221770723 is 32707712201.

10221770723 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221770723 - 2⁸ = 10221770467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10221770723.

It is not a weakly prime, because it can be changed into another prime (10221770743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110885361 + 5110885362.

It is an arithmetic number, because the mean of its divisors is an integer number (5110885362).

Almost surely, 2^10221770723 is an apocalyptic number.

10221770723 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221770723 is an equidigital number, since it uses as much as digits as its factorization.

10221770723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8232, while the sum is 32.

The spelling of 10221770723 in words is "ten billion, two hundred twenty-one million, seven hundred seventy thousand, seven hundred twenty-three".