123203450241 has 36 divisors (see below), whose sum is σ = 184215199740. Its totient is φ = 79337952000.

The previous prime is 123203450233. The next prime is 123203450267. The reversal of 123203450241 is 142054302321.

123203450241 is a `hidden beast` number, since 1 + 2 + 3 + 203 + 450 + 2 + 4 + 1 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 7293843216 + 115909607025 = 85404^2 + 340455^2 .

It is not a de Polignac number, because 123203450241 - 2³ = 123203450233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123203450221) 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 in 35 ways as a sum of consecutive naturals, for example, 1487715 + ... + 1568343.

Almost surely, 2^123203450241 is an apocalyptic number.

It is an amenable number.

123203450241 is a deficient number, since it is larger than the sum of its proper divisors (61011749499).

123203450241 is a wasteful number, since it uses less digits than its factorization.

123203450241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80818 (or 80774 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 123203450241 its reverse (142054302321), we get a palindrome (265257752562).

The spelling of 123203450241 in words is "one hundred twenty-three billion, two hundred three million, four hundred fifty thousand, two hundred forty-one".