123403222241 has 24 divisors (see below), whose sum is σ = 141224629560. Its totient is φ = 107170854912.

The previous prime is 123403222237. The next prime is 123403222253. The reversal of 123403222241 is 142222304321.

It can be written as a sum of positive squares in 12 ways, for example, as 72318016 + 123330904225 = 8504^2 + 351185^2 .

It is not a de Polignac number, because 123403222241 - 2² = 123403222237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123403222241.

It is not an unprimeable number, because it can be changed into a prime (123403222541) 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 23 ways as a sum of consecutive naturals, for example, 15839375 + ... + 15847163.

It is an arithmetic number, because the mean of its divisors is an integer number (5884359565).

Almost surely, 2^123403222241 is an apocalyptic number.

It is an amenable number.

123403222241 is a deficient number, since it is larger than the sum of its proper divisors (17821407319).

123403222241 is a wasteful number, since it uses less digits than its factorization.

123403222241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12053 (or 12036 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 123403222241 its reverse (142222304321), we get a palindrome (265625526562).

The spelling of 123403222241 in words is "one hundred twenty-three billion, four hundred three million, two hundred twenty-two thousand, two hundred forty-one".