238803823 has 2 divisors, whose sum is σ = 238803824. Its totient is φ = 238803822.

The previous prime is 238803791. The next prime is 238803827. The reversal of 238803823 is 328308832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238803823 - 2⁵ = 238803791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238803827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119401911 + 119401912.

It is an arithmetic number, because the mean of its divisors is an integer number (119401912).

Almost surely, 2^238803823 is an apocalyptic number.

238803823 is a deficient number, since it is larger than the sum of its proper divisors (1).

238803823 is an equidigital number, since it uses as much as digits as its factorization.

238803823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 238803823 is about 15453.2787135934. The cubic root of 238803823 is about 620.4123367064.

The spelling of 238803823 in words is "two hundred thirty-eight million, eight hundred three thousand, eight hundred twenty-three".