38216723 has 4 divisors (see below), whose sum is σ = 39105528. Its totient is φ = 37327920.

The previous prime is 38216699. The next prime is 38216743. The reversal of 38216723 is 32761283.

It is a happy number.

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 38216723 - 2¹² = 38212627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38216723.

It is not an unprimeable number, because it can be changed into a prime (38216743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444338 + ... + 444423.

It is an arithmetic number, because the mean of its divisors is an integer number (9776382).

Almost surely, 2^38216723 is an apocalyptic number.

38216723 is a deficient number, since it is larger than the sum of its proper divisors (888805).

38216723 is an equidigital number, since it uses as much as digits as its factorization.

38216723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888804.

The product of its digits is 12096, while the sum is 32.

The square root of 38216723 is about 6181.9675670453. The cubic root of 38216723 is about 336.8354675300.

The spelling of 38216723 in words is "thirty-eight million, two hundred sixteen thousand, seven hundred twenty-three".