99363143 has 8 divisors (see below), whose sum is σ = 109293456. Its totient is φ = 90328920.

The previous prime is 99363137. The next prime is 99363169. The reversal of 99363143 is 34136399.

It is not a de Polignac number, because 99363143 - 2⁴ = 99363127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99363097 and 99363106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99363343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35996 + ... + 38657.

It is an arithmetic number, because the mean of its divisors is an integer number (13661682).

Almost surely, 2^99363143 is an apocalyptic number.

99363143 is a deficient number, since it is larger than the sum of its proper divisors (9930313).

99363143 is an equidigital number, since it uses as much as digits as its factorization.

99363143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74686 (or 74664 counting only the distinct ones).

The product of its digits is 52488, while the sum is 38.

The square root of 99363143 is about 9968.1062895617. The cubic root of 99363143 is about 463.1714414075.

The spelling of 99363143 in words is "ninety-nine million, three hundred sixty-three thousand, one hundred forty-three".