40123124141 has 4 divisors (see below), whose sum is σ = 42483307932. Its totient is φ = 37762940352.

The previous prime is 40123124131. The next prime is 40123124149. The reversal of 40123124141 is 14142132104.

40123124141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18815883241 + 21307240900 = 137171^2 + 145970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40123124141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40123124149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180091870 + ... + 1180091903.

It is an arithmetic number, because the mean of its divisors is an integer number (10620826983).

Almost surely, 2^40123124141 is an apocalyptic number.

It is an amenable number.

40123124141 is a deficient number, since it is larger than the sum of its proper divisors (2360183791).

40123124141 is a wasteful number, since it uses less digits than its factorization.

40123124141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360183790.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 40123124141 its reverse (14142132104), we get a palindrome (54265256245).

The spelling of 40123124141 in words is "forty billion, one hundred twenty-three million, one hundred twenty-four thousand, one hundred forty-one".