98570804923 has 2 divisors, whose sum is σ = 98570804924. Its totient is φ = 98570804922.

The previous prime is 98570804903. The next prime is 98570804939. The reversal of 98570804923 is 32940807589.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98570804923 is a prime.

It is not a weakly prime, because it can be changed into another prime (98570804903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49285402461 + 49285402462.

It is an arithmetic number, because the mean of its divisors is an integer number (49285402462).

Almost surely, 2^98570804923 is an apocalyptic number.

98570804923 is a deficient number, since it is larger than the sum of its proper divisors (1).

98570804923 is an equidigital number, since it uses as much as digits as its factorization.

98570804923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 98570804923 in words is "ninety-eight billion, five hundred seventy million, eight hundred four thousand, nine hundred twenty-three".