98698123 has 2 divisors, whose sum is σ = 98698124. Its totient is φ = 98698122.

The previous prime is 98698121. The next prime is 98698153. The reversal of 98698123 is 32189689.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98698123 - 2¹ = 98698121 is a prime.

Together with 98698121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (98698121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49349061 + 49349062.

It is an arithmetic number, because the mean of its divisors is an integer number (49349062).

Almost surely, 2^98698123 is an apocalyptic number.

98698123 is a deficient number, since it is larger than the sum of its proper divisors (1).

98698123 is an equidigital number, since it uses as much as digits as its factorization.

98698123 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 98698123 is about 9934.6928991288. The cubic root of 98698123 is about 462.1358192783.

The spelling of 98698123 in words is "ninety-eight million, six hundred ninety-eight thousand, one hundred twenty-three".