20123323333093 has 2 divisors, whose sum is σ = 20123323333094. Its totient is φ = 20123323333092.

The previous prime is 20123323333073. The next prime is 20123323333159. The reversal of 20123323333093 is 39033332332102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16597858958209 + 3525464374884 = 4074047^2 + 1877622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20123323333093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20123323333073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061661666546 + 10061661666547.

It is an arithmetic number, because the mean of its divisors is an integer number (10061661666547).

Almost surely, 2^{20123323333093} is an apocalyptic number.

It is an amenable number.

20123323333093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123323333093 is an equidigital number, since it uses as much as digits as its factorization.

20123323333093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 37.

Adding to 20123323333093 its reverse (39033332332102), we get a palindrome (59156655665195).

The spelling of 20123323333093 in words is "twenty trillion, one hundred twenty-three billion, three hundred twenty-three million, three hundred thirty-three thousand, ninety-three".