123413443 has 4 divisors (see below), whose sum is σ = 123435720. Its totient is φ = 123391168.

The previous prime is 123413401. The next prime is 123413453. The reversal of 123413443 is 344314321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 123413443 - 2¹³ = 123405251 is a prime.

It is a super-2 number, since 2×123413443² = 30461755826228498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123413453) 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, 4368 + ... + 16306.

It is an arithmetic number, because the mean of its divisors is an integer number (30858930).

Almost surely, 2^123413443 is an apocalyptic number.

123413443 is a deficient number, since it is larger than the sum of its proper divisors (22277).

123413443 is a wasteful number, since it uses less digits than its factorization.

123413443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22276.

The product of its digits is 3456, while the sum is 25.

The square root of 123413443 is about 11109.1603193041. The cubic root of 123413443 is about 497.8755771052.

Adding to 123413443 its reverse (344314321), we get a palindrome (467727764).

The spelling of 123413443 in words is "one hundred twenty-three million, four hundred thirteen thousand, four hundred forty-three".