20323123230133 has 2 divisors, whose sum is σ = 20323123230134. Its totient is φ = 20323123230132.

The previous prime is 20323123230103. The next prime is 20323123230167. The reversal of 20323123230133 is 33103232132302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14842388066724 + 5480735163409 = 3852582^2 + 2341097^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323123230133 - 2¹⁷ = 20323123099061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323123230103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161561615066 + 10161561615067.

It is an arithmetic number, because the mean of its divisors is an integer number (10161561615067).

Almost surely, 2^{20323123230133} is an apocalyptic number.

It is an amenable number.

20323123230133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323123230133 is an equidigital number, since it uses as much as digits as its factorization.

20323123230133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 20323123230133 its reverse (33103232132302), we get a palindrome (53426355362435).

The spelling of 20323123230133 in words is "twenty trillion, three hundred twenty-three billion, one hundred twenty-three million, two hundred thirty thousand, one hundred thirty-three".