40231423325 has 12 divisors (see below), whose sum is σ = 50064507348. Its totient is φ = 32070595200.

The previous prime is 40231423217. The next prime is 40231423411. The reversal of 40231423325 is 52332413204.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2603958841 + 37627464484 = 51029^2 + 193978^2 .

It is not a de Polignac number, because 40231423325 - 2³² = 35936456029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2856422 + ... + 2870471.

It is an arithmetic number, because the mean of its divisors is an integer number (4172042279).

Almost surely, 2^40231423325 is an apocalyptic number.

It is an amenable number.

40231423325 is a deficient number, since it is larger than the sum of its proper divisors (9833084023).

40231423325 is a wasteful number, since it uses less digits than its factorization.

40231423325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5727184 (or 5727179 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 40231423325 its reverse (52332413204), we get a palindrome (92563836529).

The spelling of 40231423325 in words is "forty billion, two hundred thirty-one million, four hundred twenty-three thousand, three hundred twenty-five".