99623347 has 2 divisors, whose sum is σ = 99623348. Its totient is φ = 99623346.

The previous prime is 99623311. The next prime is 99623357. The reversal of 99623347 is 74332699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99623347 - 2¹⁹ = 99099059 is a prime.

It is a super-2 number, since 2×99623347² = 19849622534964818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99623357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49811673 + 49811674.

It is an arithmetic number, because the mean of its divisors is an integer number (49811674).

Almost surely, 2^99623347 is an apocalyptic number.

99623347 is a deficient number, since it is larger than the sum of its proper divisors (1).

99623347 is an equidigital number, since it uses as much as digits as its factorization.

99623347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 43.

The square root of 99623347 is about 9981.1495830891. The cubic root of 99623347 is about 463.5753940506.

The spelling of 99623347 in words is "ninety-nine million, six hundred twenty-three thousand, three hundred forty-seven".