38745839423 has 2 divisors, whose sum is σ = 38745839424. Its totient is φ = 38745839422.

The previous prime is 38745839411. The next prime is 38745839501. The reversal of 38745839423 is 32493854783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38745839423 - 2¹⁰ = 38745838399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38745830423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19372919711 + 19372919712.

It is an arithmetic number, because the mean of its divisors is an integer number (19372919712).

Almost surely, 2^38745839423 is an apocalyptic number.

38745839423 is a deficient number, since it is larger than the sum of its proper divisors (1).

38745839423 is an equidigital number, since it uses as much as digits as its factorization.

38745839423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 56.

The spelling of 38745839423 in words is "thirty-eight billion, seven hundred forty-five million, eight hundred thirty-nine thousand, four hundred twenty-three".