20123323333159 has 2 divisors, whose sum is σ = 20123323333160. Its totient is φ = 20123323333158.

The previous prime is 20123323333093. The next prime is 20123323333213. The reversal of 20123323333159 is 95133332332102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20123323333159 - 2²⁷ = 20123189115431 is a prime.

It is a super-2 number, since 2×20123323333159² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20123323334159) 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, 10061661666579 + 10061661666580.

It is an arithmetic number, because the mean of its divisors is an integer number (10061661666580).

Almost surely, 2^{20123323333159} is an apocalyptic number.

20123323333159 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123323333159 is an equidigital number, since it uses as much as digits as its factorization.

20123323333159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 40.

The spelling of 20123323333159 in words is "twenty trillion, one hundred twenty-three billion, three hundred twenty-three million, three hundred thirty-three thousand, one hundred fifty-nine".