20323422023393 has 2 divisors, whose sum is σ = 20323422023394. Its totient is φ = 20323422023392.

The previous prime is 20323422023347. The next prime is 20323422023417. The reversal of 20323422023393 is 39332022432302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19939948983889 + 383473039504 = 4465417^2 + 619252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20323422023393 is a prime.

It is not a weakly prime, because it can be changed into another prime (20323422023693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161711011696 + 10161711011697.

It is an arithmetic number, because the mean of its divisors is an integer number (10161711011697).

Almost surely, 2^{20323422023393} is an apocalyptic number.

It is an amenable number.

20323422023393 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323422023393 is an equidigital number, since it uses as much as digits as its factorization.

20323422023393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 38.

Adding to 20323422023393 its reverse (39332022432302), we get a palindrome (59655444455695).

The spelling of 20323422023393 in words is "twenty trillion, three hundred twenty-three billion, four hundred twenty-two million, twenty-three thousand, three hundred ninety-three".