97543869323 has 2 divisors, whose sum is σ = 97543869324. Its totient is φ = 97543869322.

The previous prime is 97543869289. The next prime is 97543869343. The reversal of 97543869323 is 32396834579.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97543869323 - 2²² = 97539675019 is a prime.

It is a super-3 number, since 3×97543869323³ (a number of 34 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (97543869343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48771934661 + 48771934662.

It is an arithmetic number, because the mean of its divisors is an integer number (48771934662).

Almost surely, 2^97543869323 is an apocalyptic number.

97543869323 is a deficient number, since it is larger than the sum of its proper divisors (1).

97543869323 is an equidigital number, since it uses as much as digits as its factorization.

97543869323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29393280, while the sum is 59.

The spelling of 97543869323 in words is "ninety-seven billion, five hundred forty-three million, eight hundred sixty-nine thousand, three hundred twenty-three".