100021323123223 has 2 divisors, whose sum is σ = 100021323123224. Its totient is φ = 100021323123222.

The previous prime is 100021323123157. The next prime is 100021323123251. The reversal of 100021323123223 is 322321323120001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100021323123223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100021323133223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010661561611 + 50010661561612.

It is an arithmetic number, because the mean of its divisors is an integer number (50010661561612).

Almost surely, 2^{100021323123223} is an apocalyptic number.

100021323123223 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021323123223 is an equidigital number, since it uses as much as digits as its factorization.

100021323123223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 100021323123223 its reverse (322321323120001), we get a palindrome (422342646243224).

The spelling of 100021323123223 in words is "one hundred trillion, twenty-one billion, three hundred twenty-three million, one hundred twenty-three thousand, two hundred twenty-three".