238199623 has 4 divisors (see below), whose sum is σ = 238241608. Its totient is φ = 238157640.

The previous prime is 238199609. The next prime is 238199639. The reversal of 238199623 is 326991832.

238199623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238199623 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 238199623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238199683) 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, 10848 + ... + 24373.

It is an arithmetic number, because the mean of its divisors is an integer number (59560402).

Almost surely, 2^238199623 is an apocalyptic number.

238199623 is a deficient number, since it is larger than the sum of its proper divisors (41985).

238199623 is an equidigital number, since it uses as much as digits as its factorization.

238199623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41984.

The product of its digits is 139968, while the sum is 43.

The square root of 238199623 is about 15433.7170830620. The cubic root of 238199623 is about 619.8886575986. Note that the first 3 decimals are identical.

The spelling of 238199623 in words is "two hundred thirty-eight million, one hundred ninety-nine thousand, six hundred twenty-three".