123144134220411 has 16 divisors (see below), whose sum is σ = 164313939791520. Its totient is φ = 82035212779520.

The previous prime is 123144134220391. The next prime is 123144134220421. The reversal of 123144134220411 is 114022431441321.

It is a cyclic number.

It is not a de Polignac number, because 123144134220411 - 2¹⁴ = 123144134204027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123144134220421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137187991 + ... + 138082703.

It is an arithmetic number, because the mean of its divisors is an integer number (10269621236970).

Almost surely, 2^{123144134220411} is an apocalyptic number.

123144134220411 is a deficient number, since it is larger than the sum of its proper divisors (41169805571109).

123144134220411 is a wasteful number, since it uses less digits than its factorization.

123144134220411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928686.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 123144134220411 its reverse (114022431441321), we get a palindrome (237166565661732).

The spelling of 123144134220411 in words is "one hundred twenty-three trillion, one hundred forty-four billion, one hundred thirty-four million, two hundred twenty thousand, four hundred eleven".