123343456 has 12 divisors (see below), whose sum is σ = 242832492. Its totient is φ = 61671712.

The previous prime is 123343447. The next prime is 123343477. The reversal of 123343456 is 654343321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1927210 + ... + 1927273.

It is an arithmetic number, because the mean of its divisors is an integer number (20236041).

Almost surely, 2^123343456 is an apocalyptic number.

123343456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123343456 is a deficient number, since it is larger than the sum of its proper divisors (119489036).

123343456 is an equidigital number, since it uses as much as digits as its factorization.

123343456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854493 (or 3854485 counting only the distinct ones).

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

The square root of 123343456 is about 11106.0099045517. The cubic root of 123343456 is about 497.7814452560.

Adding to 123343456 its reverse (654343321), we get a palindrome (777686777).

The spelling of 123343456 in words is "one hundred twenty-three million, three hundred forty-three thousand, four hundred fifty-six".