123344652401 has 2 divisors, whose sum is σ = 123344652402. Its totient is φ = 123344652400.

The previous prime is 123344652269. The next prime is 123344652443. The reversal of 123344652401 is 104256443321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80883928801 + 42460723600 = 284401^2 + 206060^2 .

It is a cyclic number.

It is not a de Polignac number, because 123344652401 - 2¹⁰ = 123344651377 is a prime.

It is not a weakly prime, because it can be changed into another prime (123344652001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61672326200 + 61672326201.

It is an arithmetic number, because the mean of its divisors is an integer number (61672326201).

Almost surely, 2^123344652401 is an apocalyptic number.

It is an amenable number.

123344652401 is a deficient number, since it is larger than the sum of its proper divisors (1).

123344652401 is an equidigital number, since it uses as much as digits as its factorization.

123344652401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 123344652401 in words is "one hundred twenty-three billion, three hundred forty-four million, six hundred fifty-two thousand, four hundred one".