15543252323 has 2 divisors, whose sum is σ = 15543252324. Its totient is φ = 15543252322.

The previous prime is 15543252313. The next prime is 15543252331. The reversal of 15543252323 is 32325234551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15543252323 - 2¹⁰ = 15543251299 is a prime.

It is not a weakly prime, because it can be changed into another prime (15543252313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7771626161 + 7771626162.

It is an arithmetic number, because the mean of its divisors is an integer number (7771626162).

Almost surely, 2^15543252323 is an apocalyptic number.

15543252323 is a deficient number, since it is larger than the sum of its proper divisors (1).

15543252323 is an equidigital number, since it uses as much as digits as its factorization.

15543252323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 35.

Adding to 15543252323 its reverse (32325234551), we get a palindrome (47868486874).

The spelling of 15543252323 in words is "fifteen billion, five hundred forty-three million, two hundred fifty-two thousand, three hundred twenty-three".