20320322102123 has 2 divisors, whose sum is σ = 20320322102124. Its totient is φ = 20320322102122.

The previous prime is 20320322102063. The next prime is 20320322102149. The reversal of 20320322102123 is 32120122302302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20320322102123 - 2¹⁶ = 20320322036587 is a prime.

It is a super-2 number, since 2×20320322102123² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20320322102923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160161051061 + 10160161051062.

It is an arithmetic number, because the mean of its divisors is an integer number (10160161051062).

Almost surely, 2^{20320322102123} is an apocalyptic number.

20320322102123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320322102123 is an equidigital number, since it uses as much as digits as its factorization.

20320322102123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20320322102123 its reverse (32120122302302), we get a palindrome (52440444404425).

The spelling of 20320322102123 in words is "twenty trillion, three hundred twenty billion, three hundred twenty-two million, one hundred two thousand, one hundred twenty-three".