10201021723 has 2 divisors, whose sum is σ = 10201021724. Its totient is φ = 10201021722.

The previous prime is 10201021681. The next prime is 10201021763. The reversal of 10201021723 is 32712010201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10201021723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10201021723.

It is not a weakly prime, because it can be changed into another prime (10201021763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100510861 + 5100510862.

It is an arithmetic number, because the mean of its divisors is an integer number (5100510862).

Almost surely, 2^10201021723 is an apocalyptic number.

10201021723 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201021723 is an equidigital number, since it uses as much as digits as its factorization.

10201021723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 10201021723 its reverse (32712010201), we get a palindrome (42913031924).

The spelling of 10201021723 in words is "ten billion, two hundred one million, twenty-one thousand, seven hundred twenty-three".