123441143433436 has 6 divisors (see below), whose sum is σ = 216022001008520. Its totient is φ = 61720571716716.

The previous prime is 123441143433431. The next prime is 123441143433437. The reversal of 123441143433436 is 634334341144321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123441143433431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15430142929176 + ... + 15430142929183.

Almost surely, 2^{123441143433436} is an apocalyptic number.

It is an amenable number.

123441143433436 is a deficient number, since it is larger than the sum of its proper divisors (92580857575084).

123441143433436 is a wasteful number, since it uses less digits than its factorization.

123441143433436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30860285858363 (or 30860285858361 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 46.

Adding to 123441143433436 its reverse (634334341144321), we get a palindrome (757775484577757).

The spelling of 123441143433436 in words is "one hundred twenty-three trillion, four hundred forty-one billion, one hundred forty-three million, four hundred thirty-three thousand, four hundred thirty-six".