15328017233 has 2 divisors, whose sum is σ = 15328017234. Its totient is φ = 15328017232.

The previous prime is 15328017181. The next prime is 15328017283. The reversal of 15328017233 is 33271082351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8239555984 + 7088461249 = 90772^2 + 84193^2 .

It is a cyclic number.

It is not a de Polignac number, because 15328017233 - 2¹⁸ = 15327755089 is a prime.

It is a super-2 number, since 2×15328017233² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15328017193 and 15328017202.

It is not a weakly prime, because it can be changed into another prime (15328017283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7664008616 + 7664008617.

It is an arithmetic number, because the mean of its divisors is an integer number (7664008617).

Almost surely, 2^15328017233 is an apocalyptic number.

It is an amenable number.

15328017233 is a deficient number, since it is larger than the sum of its proper divisors (1).

15328017233 is an equidigital number, since it uses as much as digits as its factorization.

15328017233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

Adding to 15328017233 its reverse (33271082351), we get a palindrome (48599099584).

The spelling of 15328017233 in words is "fifteen billion, three hundred twenty-eight million, seventeen thousand, two hundred thirty-three".