99373355343 has 24 divisors (see below), whose sum is σ = 151189017200. Its totient is φ = 62722646784.

The previous prime is 99373355321. The next prime is 99373355353. The reversal of 99373355343 is 34355337399.

99373355343 is a `hidden beast` number, since 9 + 9 + 3 + 73 + 35 + 534 + 3 = 666.

It is not a de Polignac number, because 99373355343 - 2⁹ = 99373354831 is a prime.

It is a super-2 number, since 2×99373355343² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99373355343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99373355353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91143 + ... + 455031.

Almost surely, 2^99373355343 is an apocalyptic number.

99373355343 is a deficient number, since it is larger than the sum of its proper divisors (51815661857).

99373355343 is a wasteful number, since it uses less digits than its factorization.

99373355343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365511 (or 365508 counting only the distinct ones).

The product of its digits is 13778100, while the sum is 54.

It can be divided in two parts, 993733 and 55343, that added together give a triangular number (1049076 = T₁₄₄₈).

The spelling of 99373355343 in words is "ninety-nine billion, three hundred seventy-three million, three hundred fifty-five thousand, three hundred forty-three".