38823943 has 2 divisors, whose sum is σ = 38823944. Its totient is φ = 38823942.

The previous prime is 38823929. The next prime is 38824001. The reversal of 38823943 is 34932883.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38823943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38823896 and 38823905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38823923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19411971 + 19411972.

It is an arithmetic number, because the mean of its divisors is an integer number (19411972).

Almost surely, 2^38823943 is an apocalyptic number.

38823943 is a deficient number, since it is larger than the sum of its proper divisors (1).

38823943 is an equidigital number, since it uses as much as digits as its factorization.

38823943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 38823943 is about 6230.8862130519. The cubic root of 38823943 is about 338.6100783312.

The spelling of 38823943 in words is "thirty-eight million, eight hundred twenty-three thousand, nine hundred forty-three".