20232133217 has 2 divisors, whose sum is σ = 20232133218. Its totient is φ = 20232133216.

The previous prime is 20232133111. The next prime is 20232133237. The reversal of 20232133217 is 71233123202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17750499361 + 2481633856 = 133231^2 + 49816^2 .

It is a cyclic number.

It is not a de Polignac number, because 20232133217 - 2¹⁴ = 20232116833 is a prime.

It is not a weakly prime, because it can be changed into another prime (20232133237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116066608 + 10116066609.

It is an arithmetic number, because the mean of its divisors is an integer number (10116066609).

Almost surely, 2^20232133217 is an apocalyptic number.

It is an amenable number.

20232133217 is a deficient number, since it is larger than the sum of its proper divisors (1).

20232133217 is an equidigital number, since it uses as much as digits as its factorization.

20232133217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 20232133217 its reverse (71233123202), we get a palindrome (91465256419).

The spelling of 20232133217 in words is "twenty billion, two hundred thirty-two million, one hundred thirty-three thousand, two hundred seventeen".