210113130823 has 2 divisors, whose sum is σ = 210113130824. Its totient is φ = 210113130822.

The previous prime is 210113130809. The next prime is 210113130833. The reversal of 210113130823 is 328031311012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210113130823 is a prime.

It is a super-2 number, since 2×210113130823² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210113130803) 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, 105056565411 + 105056565412.

It is an arithmetic number, because the mean of its divisors is an integer number (105056565412).

Almost surely, 2^210113130823 is an apocalyptic number.

210113130823 is a deficient number, since it is larger than the sum of its proper divisors (1).

210113130823 is an equidigital number, since it uses as much as digits as its factorization.

210113130823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 210113130823 its reverse (328031311012), we get a palindrome (538144441835).

The spelling of 210113130823 in words is "two hundred ten billion, one hundred thirteen million, one hundred thirty thousand, eight hundred twenty-three".