123441401 has 2 divisors, whose sum is σ = 123441402. Its totient is φ = 123441400.

The previous prime is 123441379. The next prime is 123441413. The reversal of 123441401 is 104144321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118374400 + 5067001 = 10880^2 + 2251^2 .

It is an emirp because it is prime and its reverse (104144321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123441401 - 2⁶ = 123441337 is a prime.

It is not a weakly prime, because it can be changed into another prime (123441421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61720700 + 61720701.

It is an arithmetic number, because the mean of its divisors is an integer number (61720701).

Almost surely, 2^123441401 is an apocalyptic number.

It is an amenable number.

123441401 is a deficient number, since it is larger than the sum of its proper divisors (1).

123441401 is an equidigital number, since it uses as much as digits as its factorization.

123441401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 123441401 is about 11110.4185789735. The cubic root of 123441401 is about 497.9131704016.

Adding to 123441401 its reverse (104144321), we get a palindrome (227585722).

The spelling of 123441401 in words is "one hundred twenty-three million, four hundred forty-one thousand, four hundred one".