193280243 has 8 divisors (see below), whose sum is σ = 208605936. Its totient is φ = 178020000.

The previous prime is 193280231. The next prime is 193280279. The reversal of 193280243 is 342082391.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193280243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193280203) 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, 10133 + ... + 22118.

It is an arithmetic number, because the mean of its divisors is an integer number (26075742).

Almost surely, 2^193280243 is an apocalyptic number.

193280243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

193280243 is a deficient number, since it is larger than the sum of its proper divisors (15325693).

193280243 is a wasteful number, since it uses less digits than its factorization.

193280243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32725.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 193280243 is about 13902.5264970077. The cubic root of 193280243 is about 578.1792316615.

The spelling of 193280243 in words is "one hundred ninety-three million, two hundred eighty thousand, two hundred forty-three".