99942343 has 2 divisors, whose sum is σ = 99942344. Its totient is φ = 99942342.

The previous prime is 99942341. The next prime is 99942373. The reversal of 99942343 is 34324999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99942343 - 2¹ = 99942341 is a prime.

Together with 99942341, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 99942343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99942341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49971171 + 49971172.

It is an arithmetic number, because the mean of its divisors is an integer number (49971172).

Almost surely, 2^99942343 is an apocalyptic number.

99942343 is a deficient number, since it is larger than the sum of its proper divisors (1).

99942343 is an equidigital number, since it uses as much as digits as its factorization.

99942343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 43.

The square root of 99942343 is about 9997.1167343390. The cubic root of 99942343 is about 464.0696595154.

The spelling of 99942343 in words is "ninety-nine million, nine hundred forty-two thousand, three hundred forty-three".