3123212343 has 16 divisors (see below), whose sum is σ = 4574042880. Its totient is φ = 1886791104.

The previous prime is 3123212317. The next prime is 3123212357. The reversal of 3123212343 is 3432123213.

It is not a de Polignac number, because 3123212343 - 2²⁰ = 3122163767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123212243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189846 + ... + 1192467.

It is an arithmetic number, because the mean of its divisors is an integer number (285877680).

Almost surely, 2^3123212343 is an apocalyptic number.

3123212343 is a deficient number, since it is larger than the sum of its proper divisors (1450830537).

3123212343 is a wasteful number, since it uses less digits than its factorization.

3123212343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382358.

The product of its digits is 2592, while the sum is 24.

The square root of 3123212343 is about 55885.7078598813. The cubic root of 3123212343 is about 1461.7300350892.

Adding to 3123212343 its reverse (3432123213), we get a palindrome (6555335556).

The spelling of 3123212343 in words is "three billion, one hundred twenty-three million, two hundred twelve thousand, three hundred forty-three".