38956223 has 2 divisors, whose sum is σ = 38956224. Its totient is φ = 38956222.

The previous prime is 38956201. The next prime is 38956241. The reversal of 38956223 is 32265983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38956223 - 2¹⁰ = 38955199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38956823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19478111 + 19478112.

It is an arithmetic number, because the mean of its divisors is an integer number (19478112).

Almost surely, 2^38956223 is an apocalyptic number.

38956223 is a deficient number, since it is larger than the sum of its proper divisors (1).

38956223 is an equidigital number, since it uses as much as digits as its factorization.

38956223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 38956223 is about 6241.4920491818. The cubic root of 38956223 is about 338.9942104168.

The spelling of 38956223 in words is "thirty-eight million, nine hundred fifty-six thousand, two hundred twenty-three".