238823773 has 2 divisors, whose sum is σ = 238823774. Its totient is φ = 238823772.

The previous prime is 238823747. The next prime is 238823801. The reversal of 238823773 is 377328832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232806564 + 6017209 = 15258^2 + 2453^2 .

It is a cyclic number.

It is not a de Polignac number, because 238823773 - 2¹³ = 238815581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238823713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119411886 + 119411887.

It is an arithmetic number, because the mean of its divisors is an integer number (119411887).

Almost surely, 2^238823773 is an apocalyptic number.

It is an amenable number.

238823773 is a deficient number, since it is larger than the sum of its proper divisors (1).

238823773 is an equidigital number, since it uses as much as digits as its factorization.

238823773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 43.

The square root of 238823773 is about 15453.9241941974. The cubic root of 238823773 is about 620.4296129254.

The spelling of 238823773 in words is "two hundred thirty-eight million, eight hundred twenty-three thousand, seven hundred seventy-three".