123223424650401 has 16 divisors (see below), whose sum is σ = 169636704174080. Its totient is φ = 79480762209360.

The previous prime is 123223424650379. The next prime is 123223424650433. The reversal of 123223424650401 is 104056424322321.

It is not a de Polignac number, because 123223424650401 - 2¹⁷ = 123223424519329 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 123223424650401.

It is not an unprimeable number, because it can be changed into a prime (123223424650481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151437361 + ... + 152248878.

It is an arithmetic number, because the mean of its divisors is an integer number (10602294010880).

Almost surely, 2^{123223424650401} is an apocalyptic number.

It is an amenable number.

123223424650401 is a deficient number, since it is larger than the sum of its proper divisors (46413279523679).

123223424650401 is a wasteful number, since it uses less digits than its factorization.

123223424650401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303690636.

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 123223424650401 its reverse (104056424322321), we get a palindrome (227279848972722).

The spelling of 123223424650401 in words is "one hundred twenty-three trillion, two hundred twenty-three billion, four hundred twenty-four million, six hundred fifty thousand, four hundred one".