40123272057263 has 2 divisors, whose sum is σ = 40123272057264. Its totient is φ = 40123272057262.

The previous prime is 40123272057257. The next prime is 40123272057293. The reversal of 40123272057263 is 36275027232104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40123272057263 - 2¹⁴ = 40123272040879 is a prime.

It is a super-2 number, since 2×40123272057263² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40123272057293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20061636028631 + 20061636028632.

It is an arithmetic number, because the mean of its divisors is an integer number (20061636028632).

Almost surely, 2^{40123272057263} is an apocalyptic number.

40123272057263 is a deficient number, since it is larger than the sum of its proper divisors (1).

40123272057263 is an equidigital number, since it uses as much as digits as its factorization.

40123272057263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 44.

Adding to 40123272057263 its reverse (36275027232104), we get a palindrome (76398299289367).

The spelling of 40123272057263 in words is "forty trillion, one hundred twenty-three billion, two hundred seventy-two million, fifty-seven thousand, two hundred sixty-three".