123204343 has 4 divisors (see below), whose sum is σ = 125825760. Its totient is φ = 120582928.

The previous prime is 123204313. The next prime is 123204397. The reversal of 123204343 is 343402321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343402321 = 2441 ⋅140681.

It is a cyclic number.

It is not a de Polignac number, because 123204343 - 2⁹ = 123203831 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 (123204313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310638 + ... + 1310731.

It is an arithmetic number, because the mean of its divisors is an integer number (31456440).

Almost surely, 2^123204343 is an apocalyptic number.

123204343 is a deficient number, since it is larger than the sum of its proper divisors (2621417).

123204343 is an equidigital number, since it uses as much as digits as its factorization.

123204343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621416.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 123204343 is about 11099.7451772552. The cubic root of 123204343 is about 497.5942338099.

Adding to 123204343 its reverse (343402321), we get a palindrome (466606664).

The spelling of 123204343 in words is "one hundred twenty-three million, two hundred four thousand, three hundred forty-three".