238823562969 has 20 divisors (see below), whose sum is σ = 357225146740. Its totient is φ = 159008624640.

The previous prime is 238823562953. The next prime is 238823563001. The reversal of 238823562969 is 969265328832.

238823562969 is a `hidden beast` number, since 2 + 3 + 8 + 8 + 2 + 3 + 562 + 9 + 69 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86480105625 + 152343457344 = 294075^2 + 390312^2 .

It is not a de Polignac number, because 238823562969 - 2⁴ = 238823562953 is a prime.

It is a super-2 number, since 2×238823562969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238823562949) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1854772 + ... + 1979349.

It is an arithmetic number, because the mean of its divisors is an integer number (17861257337).

Almost surely, 2^238823562969 is an apocalyptic number.

It is an amenable number.

238823562969 is a deficient number, since it is larger than the sum of its proper divisors (118401583771).

238823562969 is an equidigital number, since it uses as much as digits as its factorization.

238823562969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834902 (or 3834893 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 63.

The spelling of 238823562969 in words is "two hundred thirty-eight billion, eight hundred twenty-three million, five hundred sixty-two thousand, nine hundred sixty-nine".