99417423 has 24 divisors (see below), whose sum is σ = 159522480. Its totient is φ = 54848640.

The previous prime is 99417421. The next prime is 99417427. The reversal of 99417423 is 32471499.

It is not a de Polignac number, because 99417423 - 2¹ = 99417421 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99417421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7398 + ... + 15923.

It is an arithmetic number, because the mean of its divisors is an integer number (6646770).

Almost surely, 2^99417423 is an apocalyptic number.

99417423 is a deficient number, since it is larger than the sum of its proper divisors (60105057).

99417423 is a wasteful number, since it uses less digits than its factorization.

99417423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23367 (or 23360 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 99417423 is about 9970.8286014754. The cubic root of 99417423 is about 463.2557663342.

The spelling of 99417423 in words is "ninety-nine million, four hundred seventeen thousand, four hundred twenty-three".