99305209823 has 2 divisors, whose sum is σ = 99305209824. Its totient is φ = 99305209822.

The previous prime is 99305209819. The next prime is 99305209831. The reversal of 99305209823 is 32890250399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99305209823 - 2² = 99305209819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99305109823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49652604911 + 49652604912.

It is an arithmetic number, because the mean of its divisors is an integer number (49652604912).

Almost surely, 2^99305209823 is an apocalyptic number.

99305209823 is a deficient number, since it is larger than the sum of its proper divisors (1).

99305209823 is an equidigital number, since it uses as much as digits as its factorization.

99305209823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 99305209823 in words is "ninety-nine billion, three hundred five million, two hundred nine thousand, eight hundred twenty-three".