99230387 has 2 divisors, whose sum is σ = 99230388. Its totient is φ = 99230386.

The previous prime is 99230357. The next prime is 99230447. The reversal of 99230387 is 78303299.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99230387 - 2²⁴ = 82453171 is a prime.

It is a Chen prime.

It is equal to p_5719649 and since 99230387 and 5719649 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (99230357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49615193 + 49615194.

It is an arithmetic number, because the mean of its divisors is an integer number (49615194).

Almost surely, 2^99230387 is an apocalyptic number.

99230387 is a deficient number, since it is larger than the sum of its proper divisors (1).

99230387 is an equidigital number, since it uses as much as digits as its factorization.

99230387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 99230387 is about 9961.4450256978. The cubic root of 99230387 is about 462.9650731614.

The spelling of 99230387 in words is "ninety-nine million, two hundred thirty thousand, three hundred eighty-seven".