40123272057377 has 2 divisors, whose sum is σ = 40123272057378. Its totient is φ = 40123272057376.

The previous prime is 40123272057343. The next prime is 40123272057403. The reversal of 40123272057377 is 77375027232104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34724903270656 + 5398368786721 = 5892784^2 + 2323439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40123272057377 is a prime.

It is not a weakly prime, because it can be changed into another prime (40123202057377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20061636028688 + 20061636028689.

It is an arithmetic number, because the mean of its divisors is an integer number (20061636028689).

Almost surely, 2^{40123272057377} is an apocalyptic number.

It is an amenable number.

40123272057377 is a deficient number, since it is larger than the sum of its proper divisors (1).

40123272057377 is an equidigital number, since it uses as much as digits as its factorization.

40123272057377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3457440, while the sum is 50.

The spelling of 40123272057377 in words is "forty trillion, one hundred twenty-three billion, two hundred seventy-two million, fifty-seven thousand, three hundred seventy-seven".