10021020123223 has 2 divisors, whose sum is σ = 10021020123224. Its totient is φ = 10021020123222.

The previous prime is 10021020123203. The next prime is 10021020123251. The reversal of 10021020123223 is 32232102012001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021020123223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10021020123223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021020123203) by changing a digit.

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 as a sum of consecutive naturals, namely, 5010510061611 + 5010510061612.

It is an arithmetic number, because the mean of its divisors is an integer number (5010510061612).

Almost surely, 2^{10021020123223} is an apocalyptic number.

10021020123223 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021020123223 is an equidigital number, since it uses as much as digits as its factorization.

10021020123223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10021020123223 its reverse (32232102012001), we get a palindrome (42253122135224).

The spelling of 10021020123223 in words is "ten trillion, twenty-one billion, twenty million, one hundred twenty-three thousand, two hundred twenty-three".