10238823109 has 2 divisors, whose sum is σ = 10238823110. Its totient is φ = 10238823108.

The previous prime is 10238823097. The next prime is 10238823137. The reversal of 10238823109 is 90132883201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9866448900 + 372374209 = 99330^2 + 19297^2 .

It is an emirp because it is prime and its reverse (90132883201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10238823109 - 2⁹ = 10238822597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10238823209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5119411554 + 5119411555.

It is an arithmetic number, because the mean of its divisors is an integer number (5119411555).

Almost surely, 2^10238823109 is an apocalyptic number.

It is an amenable number.

10238823109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10238823109 is an equidigital number, since it uses as much as digits as its factorization.

10238823109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 10238823109 in words is "ten billion, two hundred thirty-eight million, eight hundred twenty-three thousand, one hundred nine".