123425221344 has 48 divisors (see below), whose sum is σ = 324043992720. Its totient is φ = 41135037440.

The previous prime is 123425221327. The next prime is 123425221349. The reversal of 123425221344 is 443122524321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123425221349) 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, 506014 + ... + 709154.

It is an arithmetic number, because the mean of its divisors is an integer number (6750916515).

Almost surely, 2^123425221344 is an apocalyptic number.

It is an amenable number.

123425221344 is an abundant number, since it is smaller than the sum of its proper divisors (200618771376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123425221344 is a wasteful number, since it uses less digits than its factorization.

123425221344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209483 (or 209475 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

Adding to 123425221344 its reverse (443122524321), we get a palindrome (566547745665).

The spelling of 123425221344 in words is "one hundred twenty-three billion, four hundred twenty-five million, two hundred twenty-one thousand, three hundred forty-four".