123044113311 has 64 divisors (see below), whose sum is σ = 203516651520. Its totient is φ = 64574737920.

The previous prime is 123044113237. The next prime is 123044113337. The reversal of 123044113311 is 113311440321.

It is a happy number.

It is not a de Polignac number, because 123044113311 - 2¹⁰ = 123044112287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123044113711) 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 63 ways as a sum of consecutive naturals, for example, 2511001 + ... + 2559533.

It is an arithmetic number, because the mean of its divisors is an integer number (3179947680).

Almost surely, 2^123044113311 is an apocalyptic number.

123044113311 is a deficient number, since it is larger than the sum of its proper divisors (80472538209).

123044113311 is a wasteful number, since it uses less digits than its factorization.

123044113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48776.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 123044113311 its reverse (113311440321), we get a palindrome (236355553632).

The spelling of 123044113311 in words is "one hundred twenty-three billion, forty-four million, one hundred thirteen thousand, three hundred eleven".