69998323 has 2 divisors, whose sum is σ = 69998324. Its totient is φ = 69998322.

The previous prime is 69998309. The next prime is 69998329. The reversal of 69998323 is 32389996.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69998323 - 2¹³ = 69990131 is a prime.

It is the 8367-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (69998329) by changing a digit.

It is a nontrivial repunit in base 8366.

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, 34999161 + 34999162.

It is an arithmetic number, because the mean of its divisors is an integer number (34999162).

Almost surely, 2^69998323 is an apocalyptic number.

69998323 is a deficient number, since it is larger than the sum of its proper divisors (1).

69998323 is an equidigital number, since it uses as much as digits as its factorization.

69998323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 49.

The square root of 69998323 is about 8366.5000448216. The cubic root of 69998323 is about 412.1252388139.

The spelling of 69998323 in words is "sixty-nine million, nine hundred ninety-eight thousand, three hundred twenty-three".