99443301923 has 4 divisors (see below), whose sum is σ = 113649487920. Its totient is φ = 85237115928.

The previous prime is 99443301889. The next prime is 99443301931. The reversal of 99443301923 is 32910334499.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99443301923 - 2⁸ = 99443301667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99443301523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7103092988 + ... + 7103093001.

It is an arithmetic number, because the mean of its divisors is an integer number (28412371980).

Almost surely, 2^99443301923 is an apocalyptic number.

99443301923 is a deficient number, since it is larger than the sum of its proper divisors (14206185997).

99443301923 is a wasteful number, since it uses less digits than its factorization.

99443301923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14206185996.

The product of its (nonzero) digits is 629856, while the sum is 47.

The spelling of 99443301923 in words is "ninety-nine billion, four hundred forty-three million, three hundred one thousand, nine hundred twenty-three".