123013240411144 has 32 divisors (see below), whose sum is σ = 232052755959000. Its totient is φ = 61132719112192.

The previous prime is 123013240411129. The next prime is 123013240411147. The reversal of 123013240411144 is 441114042310321.

It can be written as a sum of positive squares in 4 ways, for example, as 120036959875044 + 2976280536100 = 10956138^2 + 1725190^2 .

It is a super-2 number, since 2×123013240411144² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123013240411147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8742379 + ... + 17957050.

Almost surely, 2^{123013240411144} is an apocalyptic number.

It is an amenable number.

123013240411144 is a deficient number, since it is larger than the sum of its proper divisors (109039515547856).

123013240411144 is a wasteful number, since it uses less digits than its factorization.

123013240411144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26702937 (or 26702933 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 123013240411144 its reverse (441114042310321), we get a palindrome (564127282721465).

The spelling of 123013240411144 in words is "one hundred twenty-three trillion, thirteen billion, two hundred forty million, four hundred eleven thousand, one hundred forty-four".