123425353320 has 128 divisors (see below), whose sum is σ = 381218918400. Its totient is φ = 31945107456.

The previous prime is 123425353297. The next prime is 123425353333. The reversal of 123425353320 is 23353524321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1781977 + ... + 1849943.

It is an arithmetic number, because the mean of its divisors is an integer number (2978272800).

Almost surely, 2^123425353320 is an apocalyptic number.

123425353320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123425353320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190609459200).

123425353320 is an abundant number, since it is smaller than the sum of its proper divisors (257793565080).

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

123425353320 is a wasteful number, since it uses less digits than its factorization.

123425353320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68427 (or 68423 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 123425353320 its reverse (23353524321), we get a palindrome (146778877641).

The spelling of 123425353320 in words is "one hundred twenty-three billion, four hundred twenty-five million, three hundred fifty-three thousand, three hundred twenty".