99984623 has 2 divisors, whose sum is σ = 99984624. Its totient is φ = 99984622.

The previous prime is 99984617. The next prime is 99984629. The reversal of 99984623 is 32648999.

It is a balanced prime because it is at equal distance from previous prime (99984617) and next prime (99984629).

It is a cyclic number.

It is not a de Polignac number, because 99984623 - 2⁴ = 99984607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99984629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49992311 + 49992312.

It is an arithmetic number, because the mean of its divisors is an integer number (49992312).

Almost surely, 2^99984623 is an apocalyptic number.

99984623 is a deficient number, since it is larger than the sum of its proper divisors (1).

99984623 is an equidigital number, since it uses as much as digits as its factorization.

99984623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 50.

The square root of 99984623 is about 9999.2311204412. The cubic root of 99984623 is about 464.1350909045.

The spelling of 99984623 in words is "ninety-nine million, nine hundred eighty-four thousand, six hundred twenty-three".