993212343 has 6 divisors (see below), whose sum is σ = 1434640064. Its totient is φ = 662141556.

The previous prime is 993212303. The next prime is 993212359. The reversal of 993212343 is 343212399.

It is not a de Polignac number, because 993212343 - 2¹⁰ = 993211319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 993212298 and 993212307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993212303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55178455 + ... + 55178472.

Almost surely, 2^993212343 is an apocalyptic number.

993212343 is a deficient number, since it is larger than the sum of its proper divisors (441427721).

993212343 is a wasteful number, since it uses less digits than its factorization.

993212343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110356933 (or 110356930 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 993212343 is about 31515.2715837893. The cubic root of 993212343 is about 997.7323091319.

The spelling of 993212343 in words is "nine hundred ninety-three million, two hundred twelve thousand, three hundred forty-three".