38956772423 has 2 divisors, whose sum is σ = 38956772424. Its totient is φ = 38956772422.

The previous prime is 38956772357. The next prime is 38956772443. The reversal of 38956772423 is 32427765983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38956772423 - 2¹⁸ = 38956510279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38956772443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19478386211 + 19478386212.

It is an arithmetic number, because the mean of its divisors is an integer number (19478386212).

Almost surely, 2^38956772423 is an apocalyptic number.

38956772423 is a deficient number, since it is larger than the sum of its proper divisors (1).

38956772423 is an equidigital number, since it uses as much as digits as its factorization.

38956772423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 56.

The spelling of 38956772423 in words is "thirty-eight billion, nine hundred fifty-six million, seven hundred seventy-two thousand, four hundred twenty-three".