123020432441 has 2 divisors, whose sum is σ = 123020432442. Its totient is φ = 123020432440.

The previous prime is 123020432393. The next prime is 123020432449. The reversal of 123020432441 is 144234020321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121163167225 + 1857265216 = 348085^2 + 43096^2 .

It is a cyclic number.

It is not a de Polignac number, because 123020432441 - 2³⁰ = 121946690617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123020432441.

It is not a weakly prime, because it can be changed into another prime (123020432449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61510216220 + 61510216221.

It is an arithmetic number, because the mean of its divisors is an integer number (61510216221).

Almost surely, 2^123020432441 is an apocalyptic number.

It is an amenable number.

123020432441 is a deficient number, since it is larger than the sum of its proper divisors (1).

123020432441 is an equidigital number, since it uses as much as digits as its factorization.

123020432441 is an evil number, because the sum of its binary digits is even.

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

Adding to 123020432441 its reverse (144234020321), we get a palindrome (267254452762).

The spelling of 123020432441 in words is "one hundred twenty-three billion, twenty million, four hundred thirty-two thousand, four hundred forty-one".