97347823 has 2 divisors, whose sum is σ = 97347824. Its totient is φ = 97347822.

The previous prime is 97347793. The next prime is 97347839. The reversal of 97347823 is 32874379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97347823 - 2²⁵ = 63793391 is a prime.

It is the 9867-th Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 97347823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97347863) by changing a digit.

It is a nontrivial repunit in base 9866.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48673911 + 48673912.

It is an arithmetic number, because the mean of its divisors is an integer number (48673912).

Almost surely, 2^97347823 is an apocalyptic number.

97347823 is a deficient number, since it is larger than the sum of its proper divisors (1).

97347823 is an equidigital number, since it uses as much as digits as its factorization.

97347823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 97347823 is about 9866.5000380074. The cubic root of 97347823 is about 460.0186240097.

The spelling of 97347823 in words is "ninety-seven million, three hundred forty-seven thousand, eight hundred twenty-three".