23202320017 has 2 divisors, whose sum is σ = 23202320018. Its totient is φ = 23202320016.

The previous prime is 23202319981. The next prime is 23202320023. The reversal of 23202320017 is 71002320232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14660124241 + 8542195776 = 121079^2 + 92424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23202320017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23202320017.

It is not a weakly prime, because it can be changed into another prime (23202320917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601160008 + 11601160009.

It is an arithmetic number, because the mean of its divisors is an integer number (11601160009).

Almost surely, 2^23202320017 is an apocalyptic number.

It is an amenable number.

23202320017 is a deficient number, since it is larger than the sum of its proper divisors (1).

23202320017 is an equidigital number, since it uses as much as digits as its factorization.

23202320017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

Adding to 23202320017 its reverse (71002320232), we get a palindrome (94204640249).

The spelling of 23202320017 in words is "twenty-three billion, two hundred two million, three hundred twenty thousand, seventeen".