40413123043 has 8 divisors (see below), whose sum is σ = 41889808800. Its totient is φ = 38941979328.

The previous prime is 40413123019. The next prime is 40413123059. The reversal of 40413123043 is 34032131404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40413123043 - 2⁵ = 40413123011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40413122999 and 40413123017.

It is not an unprimeable number, because it can be changed into a prime (40413123143) 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 7 ways as a sum of consecutive naturals, for example, 1370658 + ... + 1399831.

It is an arithmetic number, because the mean of its divisors is an integer number (5236226100).

Almost surely, 2^40413123043 is an apocalyptic number.

40413123043 is a deficient number, since it is larger than the sum of its proper divisors (1476685757).

40413123043 is a wasteful number, since it uses less digits than its factorization.

40413123043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771021.

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

Adding to 40413123043 its reverse (34032131404), we get a palindrome (74445254447).

The spelling of 40413123043 in words is "forty billion, four hundred thirteen million, one hundred twenty-three thousand, forty-three".