123233320 has 64 divisors (see below), whose sum is σ = 320037120. Its totient is φ = 41831424.

The previous prime is 123233317. The next prime is 123233353. The reversal of 123233320 is 23332321.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26704 + ... + 30976.

It is an arithmetic number, because the mean of its divisors is an integer number (5000580).

Almost surely, 2^123233320 is an apocalyptic number.

123233320 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 123233320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160018560).

123233320 is an abundant number, since it is smaller than the sum of its proper divisors (196803800).

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

123233320 is a wasteful number, since it uses less digits than its factorization.

123233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394 (or 4390 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 123233320 is about 11101.0504007504. The cubic root of 123233320 is about 497.6332412494.

Adding to 123233320 its reverse (23332321), we get a palindrome (146565641).

Subtracting from 123233320 its reverse (23332321), we obtain a palindrome (99900999).

The spelling of 123233320 in words is "one hundred twenty-three million, two hundred thirty-three thousand, three hundred twenty".