99206423 has 2 divisors, whose sum is σ = 99206424. Its totient is φ = 99206422.

The previous prime is 99206413. The next prime is 99206453. The reversal of 99206423 is 32460299.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99206423 - 2⁸ = 99206167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99206413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49603211 + 49603212.

It is an arithmetic number, because the mean of its divisors is an integer number (49603212).

Almost surely, 2^99206423 is an apocalyptic number.

99206423 is a deficient number, since it is larger than the sum of its proper divisors (1).

99206423 is an equidigital number, since it uses as much as digits as its factorization.

99206423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 99206423 is about 9960.2421155311. The cubic root of 99206423 is about 462.9278016879.

The spelling of 99206423 in words is "ninety-nine million, two hundred six thousand, four hundred twenty-three".