123401100241 has 2 divisors, whose sum is σ = 123401100242. Its totient is φ = 123401100240.

The previous prime is 123401100143. The next prime is 123401100259. The reversal of 123401100241 is 142001104321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104843849616 + 18557250625 = 323796^2 + 136225^2 .

It is a cyclic number.

It is not a de Polignac number, because 123401100241 - 2⁷ = 123401100113 is a prime.

It is not a weakly prime, because it can be changed into another prime (123401100841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61700550120 + 61700550121.

It is an arithmetic number, because the mean of its divisors is an integer number (61700550121).

Almost surely, 2^123401100241 is an apocalyptic number.

It is an amenable number.

123401100241 is a deficient number, since it is larger than the sum of its proper divisors (1).

123401100241 is an equidigital number, since it uses as much as digits as its factorization.

123401100241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 123401100241 its reverse (142001104321), we get a palindrome (265402204562).

The spelling of 123401100241 in words is "one hundred twenty-three billion, four hundred one million, one hundred thousand, two hundred forty-one".