123023120 has 120 divisors (see below), whose sum is σ = 320604480. Its totient is φ = 43859200.

The previous prime is 123023107. The next prime is 123023137. The reversal of 123023120 is 21320321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123023095 and 123023104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 687191 + ... + 687369.

It is an arithmetic number, because the mean of its divisors is an integer number (2671704).

Almost surely, 2^123023120 is an apocalyptic number.

123023120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123023120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160302240).

123023120 is an abundant number, since it is smaller than the sum of its proper divisors (197581360).

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

123023120 is a wasteful number, since it uses less digits than its factorization.

123023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 123023120 is about 11091.5787875307. The cubic root of 123023120 is about 497.3501413067.

Adding to 123023120 its reverse (21320321), we get a palindrome (144343441).

The spelling of 123023120 in words is "one hundred twenty-three million, twenty-three thousand, one hundred twenty".