98169823 has 2 divisors, whose sum is σ = 98169824. Its totient is φ = 98169822.

The previous prime is 98169821. The next prime is 98169829. The reversal of 98169823 is 32896189.

It is a weak prime.

It is an emirp because it is prime and its reverse (32896189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98169823 - 2¹ = 98169821 is a prime.

Together with 98169821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98169821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49084911 + 49084912.

It is an arithmetic number, because the mean of its divisors is an integer number (49084912).

Almost surely, 2^98169823 is an apocalyptic number.

98169823 is a deficient number, since it is larger than the sum of its proper divisors (1).

98169823 is an equidigital number, since it uses as much as digits as its factorization.

98169823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 46.

The square root of 98169823 is about 9908.0685807073. The cubic root of 98169823 is about 461.3097878105.

The spelling of 98169823 in words is "ninety-eight million, one hundred sixty-nine thousand, eight hundred twenty-three".