123443234343 has 24 divisors (see below), whose sum is σ = 209479430160. Its totient is φ = 69059151360.

The previous prime is 123443234329. The next prime is 123443234351. The reversal of 123443234343 is 343432344321.

123443234343 is a `hidden beast` number, since 1 + 234 + 43 + 2 + 343 + 43 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-123443234343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123443234298 and 123443234307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123443234303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47956458 + ... + 47959031.

It is an arithmetic number, because the mean of its divisors is an integer number (8728309590).

Almost surely, 2^123443234343 is an apocalyptic number.

123443234343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123443234343 is a deficient number, since it is larger than the sum of its proper divisors (86036195817).

123443234343 is a wasteful number, since it uses less digits than its factorization.

123443234343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95915519 (or 95915516 counting only the distinct ones).

The product of its digits is 248832, while the sum is 36.

Adding to 123443234343 its reverse (343432344321), we get a palindrome (466875578664).

The spelling of 123443234343 in words is "one hundred twenty-three billion, four hundred forty-three million, two hundred thirty-four thousand, three hundred forty-three".