123113472 has 104 divisors (see below), whose sum is σ = 337338144. Its totient is φ = 39911424.

The previous prime is 123113461. The next prime is 123113489. The reversal of 123113472 is 274311321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528268 + ... + 528500.

It is an arithmetic number, because the mean of its divisors is an integer number (3243636).

Almost surely, 2^123113472 is an apocalyptic number.

123113472 is a gapful number since it is divisible by the number (12) 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 123113472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168669072).

123113472 is an abundant number, since it is smaller than the sum of its proper divisors (214224672).

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

123113472 is an equidigital number, since it uses as much as digits as its factorization.

123113472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 281 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 123113472 is about 11095.6510399345. The cubic root of 123113472 is about 497.4718679748.

Adding to 123113472 its reverse (274311321), we get a palindrome (397424793).

The spelling of 123113472 in words is "one hundred twenty-three million, one hundred thirteen thousand, four hundred seventy-two".