38123263 has 4 divisors (see below), whose sum is σ = 38769480. Its totient is φ = 37477048.

The previous prime is 38123257. The next prime is 38123297. The reversal of 38123263 is 36232183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38123263 - 2²⁵ = 4568831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38123363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323020 + ... + 323137.

It is an arithmetic number, because the mean of its divisors is an integer number (9692370).

Almost surely, 2^38123263 is an apocalyptic number.

38123263 is a deficient number, since it is larger than the sum of its proper divisors (646217).

38123263 is an equidigital number, since it uses as much as digits as its factorization.

38123263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646216.

The product of its digits is 5184, while the sum is 28.

The square root of 38123263 is about 6174.4038578635. The cubic root of 38123263 is about 336.5606633998.

The spelling of 38123263 in words is "thirty-eight million, one hundred twenty-three thousand, two hundred sixty-three".