123354225435544 has 16 divisors (see below), whose sum is σ = 239264661405600. Its totient is φ = 59550315727392.

The previous prime is 123354225435533. The next prime is 123354225435587. The reversal of 123354225435544 is 445534522453321.

It is a junction number, because it is equal to n+sod(n) for n = 123354225435491 and 123354225435500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265849623552 + ... + 265849624015.

It is an arithmetic number, because the mean of its divisors is an integer number (14954041337850).

Almost surely, 2^{123354225435544} is an apocalyptic number.

It is an amenable number.

123354225435544 is a deficient number, since it is larger than the sum of its proper divisors (115910435970056).

123354225435544 is a wasteful number, since it uses less digits than its factorization.

123354225435544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531699247602 (or 531699247598 counting only the distinct ones).

The product of its digits is 34560000, while the sum is 52.

Adding to 123354225435544 its reverse (445534522453321), we get a palindrome (568888747888865).

The spelling of 123354225435544 in words is "one hundred twenty-three trillion, three hundred fifty-four billion, two hundred twenty-five million, four hundred thirty-five thousand, five hundred forty-four".