1343453123 has 16 divisors (see below), whose sum is σ = 1386253440. Its totient is φ = 1301333376.

The previous prime is 1343453119. The next prime is 1343453141. The reversal of 1343453123 is 3213543431.

It is a cyclic number.

It is not a de Polignac number, because 1343453123 - 2² = 1343453119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343453323) 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, 3453413 + ... + 3453801.

It is an arithmetic number, because the mean of its divisors is an integer number (86640840).

Almost surely, 2^1343453123 is an apocalyptic number.

1343453123 is a deficient number, since it is larger than the sum of its proper divisors (42800317).

1343453123 is a wasteful number, since it uses less digits than its factorization.

1343453123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006.

The product of its digits is 12960, while the sum is 29.

The square root of 1343453123 is about 36653.1461541844. The cubic root of 1343453123 is about 1103.4199684823.

Adding to 1343453123 its reverse (3213543431), we get a palindrome (4556996554).

The spelling of 1343453123 in words is "one billion, three hundred forty-three million, four hundred fifty-three thousand, one hundred twenty-three".