123934048009489 has 3 divisors (see below), whose sum is σ = 123934059142057. Its totient is φ = 123934036876922.

The previous prime is 123934048009433. The next prime is 123934048009493. The reversal of 123934048009489 is 984900840439321.

The square root of 123934048009489 is 11132567.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 123934048009489 - 2⁹ = 123934048008977 is a prime.

It is a super-2 number, since 2×123934048009489² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123934048009489.

It is not an unprimeable number, because it can be changed into a prime (123934048039489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5566284 + ... + 16698850.

Almost surely, 2^{123934048009489} is an apocalyptic number.

123934048009489 is the 11132567-th square number.

123934048009489 is the 5566284-th centered octagonal number.

It is an amenable number.

123934048009489 is a deficient number, since it is larger than the sum of its proper divisors (11132568).

123934048009489 is an frugal number, since it uses more digits than its factorization.

123934048009489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22265134 (or 11132567 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 64.

The spelling of 123934048009489 in words is "one hundred twenty-three trillion, nine hundred thirty-four billion, forty-eight million, nine thousand, four hundred eighty-nine".