123123230 has 32 divisors (see below), whose sum is σ = 236597760. Its totient is φ = 45995040.

The previous prime is 123123229. The next prime is 123123277. The reversal of 123123230 is 32321321.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123123199 and 123123208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8927 + ... + 18053.

It is an arithmetic number, because the mean of its divisors is an integer number (7393680).

Almost surely, 2^123123230 is an apocalyptic number.

123123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123123230 is a deficient number, since it is larger than the sum of its proper divisors (113474530).

123123230 is a wasteful number, since it uses less digits than its factorization.

123123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 123123230 is about 11096.0907530535. The cubic root of 123123230 is about 497.4850108697.

Adding to 123123230 its reverse (32321321), we get a palindrome (155444551).

The spelling of 123123230 in words is "one hundred twenty-three million, one hundred twenty-three thousand, two hundred thirty".