38923663 has 2 divisors, whose sum is σ = 38923664. Its totient is φ = 38923662.

The previous prime is 38923627. The next prime is 38923697. The reversal of 38923663 is 36632983.

It is a strong prime.

It is an emirp because it is prime and its reverse (36632983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38923663 - 2⁹ = 38923151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38923603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19461831 + 19461832.

It is an arithmetic number, because the mean of its divisors is an integer number (19461832).

Almost surely, 2^38923663 is an apocalyptic number.

38923663 is a deficient number, since it is larger than the sum of its proper divisors (1).

38923663 is an equidigital number, since it uses as much as digits as its factorization.

38923663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 40.

The square root of 38923663 is about 6238.8831532575. The cubic root of 38923663 is about 338.8997391770.

The spelling of 38923663 in words is "thirty-eight million, nine hundred twenty-three thousand, six hundred sixty-three".