210133117823 has 2 divisors, whose sum is σ = 210133117824. Its totient is φ = 210133117822.

The previous prime is 210133117807. The next prime is 210133117841. The reversal of 210133117823 is 328711331012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210133117823 - 2⁴ = 210133117807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210133117823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210133117223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105066558911 + 105066558912.

It is an arithmetic number, because the mean of its divisors is an integer number (105066558912).

Almost surely, 2^210133117823 is an apocalyptic number.

210133117823 is a deficient number, since it is larger than the sum of its proper divisors (1).

210133117823 is an equidigital number, since it uses as much as digits as its factorization.

210133117823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

Adding to 210133117823 its reverse (328711331012), we get a palindrome (538844448835).

The spelling of 210133117823 in words is "two hundred ten billion, one hundred thirty-three million, one hundred seventeen thousand, eight hundred twenty-three".