38387757107723 has 2 divisors, whose sum is σ = 38387757107724. Its totient is φ = 38387757107722.

The previous prime is 38387757107719. The next prime is 38387757107771. The reversal of 38387757107723 is 32770175778383.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38387757107723 - 2² = 38387757107719 is a prime.

It is not a weakly prime, because it can be changed into another prime (38387757100723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19193878553861 + 19193878553862.

It is an arithmetic number, because the mean of its divisors is an integer number (19193878553862).

Almost surely, 2^{38387757107723} is an apocalyptic number.

38387757107723 is a deficient number, since it is larger than the sum of its proper divisors (1).

38387757107723 is an equidigital number, since it uses as much as digits as its factorization.

38387757107723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290424960, while the sum is 68.

The spelling of 38387757107723 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred fifty-seven million, one hundred seven thousand, seven hundred twenty-three".