38373758921723 has 2 divisors, whose sum is σ = 38373758921724. Its totient is φ = 38373758921722.

The previous prime is 38373758921711. The next prime is 38373758921731. The reversal of 38373758921723 is 32712985737383.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38373758921723 - 2²² = 38373754727419 is a prime.

It is not a weakly prime, because it can be changed into another prime (38373758921023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19186879460861 + 19186879460862.

It is an arithmetic number, because the mean of its divisors is an integer number (19186879460862).

Almost surely, 2^{38373758921723} is an apocalyptic number.

38373758921723 is a deficient number, since it is larger than the sum of its proper divisors (1).

38373758921723 is an equidigital number, since it uses as much as digits as its factorization.

38373758921723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320060160, while the sum is 68.

The spelling of 38373758921723 in words is "thirty-eight trillion, three hundred seventy-three billion, seven hundred fifty-eight million, nine hundred twenty-one thousand, seven hundred twenty-three".