40123272057413 has 2 divisors, whose sum is σ = 40123272057414. Its totient is φ = 40123272057412.

The previous prime is 40123272057403. The next prime is 40123272057431. The reversal of 40123272057413 is 31475027232104.

40123272057413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (40123272057431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29312078167969 + 10811193889444 = 5414063^2 + 3288038^2 .

It is a cyclic number.

It is not a de Polignac number, because 40123272057413 - 2¹⁴ = 40123272041029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40123272057403) by changing a digit.

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 as a sum of consecutive naturals, namely, 20061636028706 + 20061636028707.

It is an arithmetic number, because the mean of its divisors is an integer number (20061636028707).

Almost surely, 2^{40123272057413} is an apocalyptic number.

It is an amenable number.

40123272057413 is a deficient number, since it is larger than the sum of its proper divisors (1).

40123272057413 is an equidigital number, since it uses as much as digits as its factorization.

40123272057413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 41.

Adding to 40123272057413 its reverse (31475027232104), we get a palindrome (71598299289517).

The spelling of 40123272057413 in words is "forty trillion, one hundred twenty-three billion, two hundred seventy-two million, fifty-seven thousand, four hundred thirteen".