123456343 has 4 divisors (see below), whose sum is σ = 124589080. Its totient is φ = 122323608.

The previous prime is 123456337. The next prime is 123456367. The reversal of 123456343 is 343654321.

123456343 is nontrivially palindromic in base 16.

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 123456343 - 2⁹ = 123455831 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123456313) 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, 566205 + ... + 566422.

It is an arithmetic number, because the mean of its divisors is an integer number (31147270).

Almost surely, 2^123456343 is an apocalyptic number.

123456343 is a deficient number, since it is larger than the sum of its proper divisors (1132737).

123456343 is a wasteful number, since it uses less digits than its factorization.

123456343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132736.

The product of its digits is 25920, while the sum is 31.

The square root of 123456343 is about 11111.0909905373. The cubic root of 123456343 is about 497.9332596055.

The spelling of 123456343 in words is "one hundred twenty-three million, four hundred fifty-six thousand, three hundred forty-three".