98556823 has 2 divisors, whose sum is σ = 98556824. Its totient is φ = 98556822.

The previous prime is 98556811. The next prime is 98556851. The reversal of 98556823 is 32865589.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98556823 - 2²⁵ = 65002391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98556893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49278411 + 49278412.

It is an arithmetic number, because the mean of its divisors is an integer number (49278412).

Almost surely, 2^98556823 is an apocalyptic number.

98556823 is a deficient number, since it is larger than the sum of its proper divisors (1).

98556823 is an equidigital number, since it uses as much as digits as its factorization.

98556823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 46.

The square root of 98556823 is about 9927.5789092810. The cubic root of 98556823 is about 461.9151768589.

The spelling of 98556823 in words is "ninety-eight million, five hundred fifty-six thousand, eight hundred twenty-three".