40123262101313 has 2 divisors, whose sum is σ = 40123262101314. Its totient is φ = 40123262101312.

The previous prime is 40123262101297. The next prime is 40123262101367. The reversal of 40123262101313 is 31310126232104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34673054354689 + 5450207746624 = 5888383^2 + 2334568^2 .

It is a cyclic number.

It is not a de Polignac number, because 40123262101313 - 2⁴ = 40123262101297 is a prime.

It is not a weakly prime, because it can be changed into another prime (40123262131313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20061631050656 + 20061631050657.

It is an arithmetic number, because the mean of its divisors is an integer number (20061631050657).

Almost surely, 2^{40123262101313} is an apocalyptic number.

It is an amenable number.

40123262101313 is a deficient number, since it is larger than the sum of its proper divisors (1).

40123262101313 is an equidigital number, since it uses as much as digits as its factorization.

40123262101313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 40123262101313 its reverse (31310126232104), we get a palindrome (71433388333417).

The spelling of 40123262101313 in words is "forty trillion, one hundred twenty-three billion, two hundred sixty-two million, one hundred one thousand, three hundred thirteen".