40325123043 has 24 divisors (see below), whose sum is σ = 61655630400. Its totient is φ = 25326197424.

The previous prime is 40325123039. The next prime is 40325123053. The reversal of 40325123043 is 34032152304.

40325123043 is a `hidden beast` number, since 403 + 25 + 1 + 230 + 4 + 3 = 666.

It is not a de Polignac number, because 40325123043 - 2² = 40325123039 is a prime.

It is a super-2 number, since 2×40325123043² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40325122998 and 40325123016.

It is not an unprimeable number, because it can be changed into a prime (40325123023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 628105 + ... + 689322.

It is an arithmetic number, because the mean of its divisors is an integer number (2568984600).

Almost surely, 2^40325123043 is an apocalyptic number.

40325123043 is a deficient number, since it is larger than the sum of its proper divisors (21330507357).

40325123043 is a wasteful number, since it uses less digits than its factorization.

40325123043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317631 (or 1317628 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 40325123043 its reverse (34032152304), we get a palindrome (74357275347).

The spelling of 40325123043 in words is "forty billion, three hundred twenty-five million, one hundred twenty-three thousand, forty-three".