123033320 has 64 divisors (see below), whose sum is σ = 285405120. Its totient is φ = 47706624.

The previous prime is 123033311. The next prime is 123033329. The reversal of 123033320 is 23330321.

It is an interprime number because it is at equal distance from previous prime (123033311) and next prime (123033329).

It is not an unprimeable number, because it can be changed into a prime (123033329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400607 + ... + 400913.

It is an arithmetic number, because the mean of its divisors is an integer number (4459455).

Almost surely, 2^123033320 is an apocalyptic number.

123033320 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 123033320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142702560).

123033320 is an abundant number, since it is smaller than the sum of its proper divisors (162371800).

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

123033320 is a wasteful number, since it uses less digits than its factorization.

123033320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 123033320 is about 11092.0385863014. The cubic root of 123033320 is about 497.3638862332.

Adding to 123033320 its reverse (23330321), we get a palindrome (146363641).

The spelling of 123033320 in words is "one hundred twenty-three million, thirty-three thousand, three hundred twenty".