113423434443 has 72 divisors (see below), whose sum is σ = 181503032256. Its totient is φ = 67688460000.

The previous prime is 113423434381. The next prime is 113423434457. The reversal of 113423434443 is 344434324311.

113423434443 is a `hidden beast` number, since 11 + 34 + 234 + 344 + 43 = 666.

It is not a de Polignac number, because 113423434443 - 2⁹ = 113423433931 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 113423434398 and 113423434407.

It is not an unprimeable number, because it can be changed into a prime (113423434643) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 400789380 + ... + 400789662.

It is an arithmetic number, because the mean of its divisors is an integer number (2520875448).

Almost surely, 2^113423434443 is an apocalyptic number.

113423434443 is a deficient number, since it is larger than the sum of its proper divisors (68079597813).

113423434443 is a wasteful number, since it uses less digits than its factorization.

113423434443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 675 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

Adding to 113423434443 its reverse (344434324311), we get a palindrome (457857758754).

The spelling of 113423434443 in words is "one hundred thirteen billion, four hundred twenty-three million, four hundred thirty-four thousand, four hundred forty-three".