113023212221123 has 2 divisors, whose sum is σ = 113023212221124. Its totient is φ = 113023212221122.

The previous prime is 113023212221089. The next prime is 113023212221131. The reversal of 113023212221123 is 321122212320311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113023212221123 - 2¹⁶ = 113023212155587 is a prime.

It is a super-2 number, since 2×113023212221123² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 113023212221092 and 113023212221101.

It is not a weakly prime, because it can be changed into another prime (113023212211123) 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, 56511606110561 + 56511606110562.

It is an arithmetic number, because the mean of its divisors is an integer number (56511606110562).

Almost surely, 2^{113023212221123} is an apocalyptic number.

113023212221123 is a deficient number, since it is larger than the sum of its proper divisors (1).

113023212221123 is an equidigital number, since it uses as much as digits as its factorization.

113023212221123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 113023212221123 its reverse (321122212320311), we get a palindrome (434145424541434).

The spelling of 113023212221123 in words is "one hundred thirteen trillion, twenty-three billion, two hundred twelve million, two hundred twenty-one thousand, one hundred twenty-three".