98609923 has 2 divisors, whose sum is σ = 98609924. Its totient is φ = 98609922.

The previous prime is 98609899. The next prime is 98609941. The reversal of 98609923 is 32990689.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98609923 - 2²¹ = 96512771 is a prime.

It is not a weakly prime, because it can be changed into another prime (98609323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49304961 + 49304962.

It is an arithmetic number, because the mean of its divisors is an integer number (49304962).

Almost surely, 2^98609923 is an apocalyptic number.

98609923 is a deficient number, since it is larger than the sum of its proper divisors (1).

98609923 is an equidigital number, since it uses as much as digits as its factorization.

98609923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 98609923 is about 9930.2529172222. The cubic root of 98609923 is about 461.9981181560.

The spelling of 98609923 in words is "ninety-eight million, six hundred nine thousand, nine hundred twenty-three".