99231930047 has 2 divisors, whose sum is σ = 99231930048. Its totient is φ = 99231930046.

The previous prime is 99231930023. The next prime is 99231930131. The reversal of 99231930047 is 74003913299.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99231930047 - 2¹⁰ = 99231929023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99231929983 and 99231930010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99231930547) 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, 49615965023 + 49615965024.

It is an arithmetic number, because the mean of its divisors is an integer number (49615965024).

Almost surely, 2^99231930047 is an apocalyptic number.

99231930047 is a deficient number, since it is larger than the sum of its proper divisors (1).

99231930047 is an equidigital number, since it uses as much as digits as its factorization.

99231930047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The spelling of 99231930047 in words is "ninety-nine billion, two hundred thirty-one million, nine hundred thirty thousand, forty-seven".