40125041423 has 4 divisors (see below), whose sum is σ = 41209502040. Its totient is φ = 39040580808.

The previous prime is 40125041413. The next prime is 40125041477. The reversal of 40125041423 is 32414052104.

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 40125041423 - 2⁸ = 40125041167 is a prime.

It is a super-2 number, since 2×40125041423² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40125041392 and 40125041401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40125041413) 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, 542230253 + ... + 542230326.

It is an arithmetic number, because the mean of its divisors is an integer number (10302375510).

Almost surely, 2^40125041423 is an apocalyptic number.

40125041423 is a deficient number, since it is larger than the sum of its proper divisors (1084460617).

40125041423 is a wasteful number, since it uses less digits than its factorization.

40125041423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084460616.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 40125041423 its reverse (32414052104), we get a palindrome (72539093527).

The spelling of 40125041423 in words is "forty billion, one hundred twenty-five million, forty-one thousand, four hundred twenty-three".