123123330 has 48 divisors (see below), whose sum is σ = 349225344. Its totient is φ = 29847840.

The previous prime is 123123323. The next prime is 123123337. The reversal of 123123330 is 33321321.

It is an interprime number because it is at equal distance from previous prime (123123323) and next prime (123123337).

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123123337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61194 + ... + 63173.

It is an arithmetic number, because the mean of its divisors is an integer number (7275528).

Almost surely, 2^123123330 is an apocalyptic number.

123123330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123123330 is an abundant number, since it is smaller than the sum of its proper divisors (226102014).

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

123123330 is a wasteful number, since it uses less digits than its factorization.

123123330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124391 (or 124388 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 123123330 is about 11096.0952591441. The cubic root of 123123330 is about 497.4851455545.

Adding to 123123330 its reverse (33321321), we get a palindrome (156444651).

The spelling of 123123330 in words is "one hundred twenty-three million, one hundred twenty-three thousand, three hundred thirty".