123045330 has 64 divisors (see below), whose sum is σ = 316794240. Its totient is φ = 30491136.

The previous prime is 123045323. The next prime is 123045341. The reversal of 123045330 is 33540321.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123045297 and 123045306.

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, 28174 + ... + 32246.

It is an arithmetic number, because the mean of its divisors is an integer number (4949910).

Almost surely, 2^123045330 is an apocalyptic number.

123045330 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 123045330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158397120).

123045330 is an abundant number, since it is smaller than the sum of its proper divisors (193748910).

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

123045330 is a wasteful number, since it uses less digits than its factorization.

123045330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 123045330 is about 11092.5799523826. The cubic root of 123045330 is about 497.3800692367.

Adding to 123045330 its reverse (33540321), we get a palindrome (156585651).

The spelling of 123045330 in words is "one hundred twenty-three million, forty-five thousand, three hundred thirty".