113312312021123 has 2 divisors, whose sum is σ = 113312312021124. Its totient is φ = 113312312021122.

The previous prime is 113312312021089. The next prime is 113312312021149. The reversal of 113312312021123 is 321120213213311.

It is an a-pointer prime, because the next prime (113312312021149) can be obtained adding 113312312021123 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113312312021123 - 2¹⁸ = 113312311758979 is a prime.

It is a super-2 number, since 2×113312312021123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113312312021092 and 113312312021101.

It is not a weakly prime, because it can be changed into another prime (113312312521123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56656156010561 + 56656156010562.

It is an arithmetic number, because the mean of its divisors is an integer number (56656156010562).

Almost surely, 2^{113312312021123} is an apocalyptic number.

113312312021123 is a deficient number, since it is larger than the sum of its proper divisors (1).

113312312021123 is an equidigital number, since it uses as much as digits as its factorization.

113312312021123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 113312312021123 its reverse (321120213213311), we get a palindrome (434432525234434).

The spelling of 113312312021123 in words is "one hundred thirteen trillion, three hundred twelve billion, three hundred twelve million, twenty-one thousand, one hundred twenty-three".