612303343 has 4 divisors (see below), whose sum is σ = 628852120.
Its totient is φ = 595754568.
The previous prime is 612303337. The next prime is 612303347. The reversal of 612303343 is 343303216.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 612303343 - 25 = 612303311 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (612303347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8274333 + ... + 8274406.
It is an arithmetic number, because the mean of its divisors is an integer number (157213030).
Almost surely, 2612303343 is an apocalyptic number.
612303343 is a deficient number, since it is larger than the sum of its proper divisors (16548777).
612303343 is a wasteful number, since it uses less digits than its factorization.
612303343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16548776.
The product of its (nonzero) digits is 3888, while the sum is 25.
The square root of 612303343 is about 24744.7639511877.
The cubic root of 612303343 is about 849.1587261149.
Adding to 612303343 its reverse (343303216), we get a palindrome (955606559).
The spelling of 612303343 in words is "six hundred twelve million, three hundred three thousand, three hundred forty-three".