99694123 has 2 divisors, whose sum is σ = 99694124. Its totient is φ = 99694122.

The previous prime is 99694099. The next prime is 99694181. The reversal of 99694123 is 32149699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99694123 - 2⁹ = 99693611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99694123.

It is not a weakly prime, because it can be changed into another prime (99694183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49847061 + 49847062.

It is an arithmetic number, because the mean of its divisors is an integer number (49847062).

Almost surely, 2^99694123 is an apocalyptic number.

99694123 is a deficient number, since it is larger than the sum of its proper divisors (1).

99694123 is an equidigital number, since it uses as much as digits as its factorization.

99694123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 43.

The square root of 99694123 is about 9984.6944369870. The cubic root of 99694123 is about 463.6851482610.

The spelling of 99694123 in words is "ninety-nine million, six hundred ninety-four thousand, one hundred twenty-three".