238020669823 has 2 divisors, whose sum is σ = 238020669824. Its totient is φ = 238020669822.

The previous prime is 238020669811. The next prime is 238020669827. The reversal of 238020669823 is 328966020832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238020669823 - 2⁹ = 238020669311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238020669827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119010334911 + 119010334912.

It is an arithmetic number, because the mean of its divisors is an integer number (119010334912).

Almost surely, 2^238020669823 is an apocalyptic number.

238020669823 is a deficient number, since it is larger than the sum of its proper divisors (1).

238020669823 is an equidigital number, since it uses as much as digits as its factorization.

238020669823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 238020669823 in words is "two hundred thirty-eight billion, twenty million, six hundred sixty-nine thousand, eight hundred twenty-three".