123020456241 has 4 divisors (see below), whose sum is σ = 164027274992. Its totient is φ = 82013637492.

The previous prime is 123020456231. The next prime is 123020456243. The reversal of 123020456241 is 142654020321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 123020456241 - 2⁶ = 123020456177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123020456199 and 123020456208.

It is not an unprimeable number, because it can be changed into a prime (123020456243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20503409371 + ... + 20503409376.

It is an arithmetic number, because the mean of its divisors is an integer number (41006818748).

Almost surely, 2^123020456241 is an apocalyptic number.

It is an amenable number.

123020456241 is a deficient number, since it is larger than the sum of its proper divisors (41006818751).

123020456241 is an equidigital number, since it uses as much as digits as its factorization.

123020456241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41006818750.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 123020456241 its reverse (142654020321), we get a palindrome (265674476562).

The spelling of 123020456241 in words is "one hundred twenty-three billion, twenty million, four hundred fifty-six thousand, two hundred forty-one".