99144323 has 4 divisors (see below), whose sum is σ = 104976360. Its totient is φ = 93312288.

The previous prime is 99144319. The next prime is 99144343. The reversal of 99144323 is 32344199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32344199 = 3251 ⋅9949.

It is a cyclic number.

It is not a de Polignac number, because 99144323 - 2² = 99144319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99144343) 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 in 3 ways as a sum of consecutive naturals, for example, 2915993 + ... + 2916026.

It is an arithmetic number, because the mean of its divisors is an integer number (26244090).

Almost surely, 2^99144323 is an apocalyptic number.

99144323 is a deficient number, since it is larger than the sum of its proper divisors (5832037).

99144323 is a wasteful number, since it uses less digits than its factorization.

99144323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832036.

The product of its digits is 23328, while the sum is 35.

The square root of 99144323 is about 9957.1242334321. The cubic root of 99144323 is about 462.8311889347.

The spelling of 99144323 in words is "ninety-nine million, one hundred forty-four thousand, three hundred twenty-three".