112005242123 has 2 divisors, whose sum is σ = 112005242124. Its totient is φ = 112005242122.

The previous prime is 112005242119. The next prime is 112005242131. The reversal of 112005242123 is 321242500211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112005242123 - 2² = 112005242119 is a prime.

It is not a weakly prime, because it can be changed into another prime (112005242023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56002621061 + 56002621062.

It is an arithmetic number, because the mean of its divisors is an integer number (56002621062).

Almost surely, 2^112005242123 is an apocalyptic number.

112005242123 is a deficient number, since it is larger than the sum of its proper divisors (1).

112005242123 is an equidigital number, since it uses as much as digits as its factorization.

112005242123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 112005242123 its reverse (321242500211), we get a palindrome (433247742334).

The spelling of 112005242123 in words is "one hundred twelve billion, five million, two hundred forty-two thousand, one hundred twenty-three".