123204330 has 96 divisors (see below), whose sum is σ = 340868736. Its totient is φ = 30805632.

The previous prime is 123204313. The next prime is 123204397. The reversal of 123204330 is 33402321.

123204330 is a `hidden beast` number, since 1 + 232 + 0 + 433 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109149 + ... + 110271.

It is an arithmetic number, because the mean of its divisors is an integer number (3550716).

Almost surely, 2^123204330 is an apocalyptic number.

123204330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123204330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170434368).

123204330 is an abundant number, since it is smaller than the sum of its proper divisors (217664406).

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

123204330 is a wasteful number, since it uses less digits than its factorization.

123204330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 123204330 is about 11099.7445916562. The cubic root of 123204330 is about 497.5942163086.

Adding to 123204330 its reverse (33402321), we get a palindrome (156606651).

The spelling of 123204330 in words is "one hundred twenty-three million, two hundred four thousand, three hundred thirty".