123444230 has 48 divisors (see below), whose sum is σ = 278374320. Its totient is φ = 39066048.

The previous prime is 123444227. The next prime is 123444253. The reversal of 123444230 is 32444321.

It is a junction number, because it is equal to n+sod(n) for n = 123444196 and 123444205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3320 + ... + 16059.

It is an arithmetic number, because the mean of its divisors is an integer number (5799465).

Almost surely, 2^123444230 is an apocalyptic number.

123444230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123444230 is an abundant number, since it is smaller than the sum of its proper divisors (154930090).

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

123444230 is a wasteful number, since it uses less digits than its factorization.

123444230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19413 (or 19406 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 123444230 is about 11110.5458911792. The cubic root of 123444230 is about 497.9169740568.

Adding to 123444230 its reverse (32444321), we get a palindrome (155888551).

Subtracting from 123444230 its reverse (32444321), we obtain a palindrome (90999909).

The spelling of 123444230 in words is "one hundred twenty-three million, four hundred forty-four thousand, two hundred thirty".