20023133233 has 2 divisors, whose sum is σ = 20023133234. Its totient is φ = 20023133232.

The previous prime is 20023133219. The next prime is 20023133237. The reversal of 20023133233 is 33233132002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17648325409 + 2374807824 = 132847^2 + 48732^2 .

It is a cyclic number.

It is not a de Polignac number, because 20023133233 - 2²¹ = 20021036081 is a prime.

It is not a weakly prime, because it can be changed into another prime (20023133237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011566616 + 10011566617.

It is an arithmetic number, because the mean of its divisors is an integer number (10011566617).

Almost surely, 2^20023133233 is an apocalyptic number.

It is an amenable number.

20023133233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023133233 is an equidigital number, since it uses as much as digits as its factorization.

20023133233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20023133233 its reverse (33233132002), we get a palindrome (53256265235).

The spelling of 20023133233 in words is "twenty billion, twenty-three million, one hundred thirty-three thousand, two hundred thirty-three".