43401133103 has 4 divisors (see below), whose sum is σ = 43402841568. Its totient is φ = 43399424640.

The previous prime is 43401133079. The next prime is 43401133117. The reversal of 43401133103 is 30133110434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43401133103 - 2²² = 43396938799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43401133133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815543 + ... + 867128.

It is an arithmetic number, because the mean of its divisors is an integer number (10850710392).

Almost surely, 2^43401133103 is an apocalyptic number.

43401133103 is a deficient number, since it is larger than the sum of its proper divisors (1708465).

43401133103 is a wasteful number, since it uses less digits than its factorization.

43401133103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708464.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 43401133103 its reverse (30133110434), we get a palindrome (73534243537).

The spelling of 43401133103 in words is "forty-three billion, four hundred one million, one hundred thirty-three thousand, one hundred three".