20123303020253 has 2 divisors, whose sum is σ = 20123303020254. Its totient is φ = 20123303020252.

The previous prime is 20123303020189. The next prime is 20123303020333. The reversal of 20123303020253 is 35202030332102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15306388626244 + 4816914394009 = 3912338^2 + 2194747^2 .

It is a cyclic number.

It is not a de Polignac number, because 20123303020253 - 2⁶ = 20123303020189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20123303020453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061651510126 + 10061651510127.

It is an arithmetic number, because the mean of its divisors is an integer number (10061651510127).

Almost surely, 2^{20123303020253} is an apocalyptic number.

It is an amenable number.

20123303020253 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123303020253 is an equidigital number, since it uses as much as digits as its factorization.

20123303020253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 20123303020253 its reverse (35202030332102), we get a palindrome (55325333352355).

The spelling of 20123303020253 in words is "twenty trillion, one hundred twenty-three billion, three hundred three million, twenty thousand, two hundred fifty-three".