123228480 has 112 divisors (see below), whose sum is σ = 408334464. Its totient is φ = 31426560.

The previous prime is 123228467. The next prime is 123228487. The reversal of 123228480 is 84822321.

It is a super-2 number, since 2×123228480² = 30370516566220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123228487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19290 + ... + 24870.

Almost surely, 2^123228480 is an apocalyptic number.

123228480 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 123228480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204167232).

123228480 is an abundant number, since it is smaller than the sum of its proper divisors (285105984).

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

123228480 is a wasteful number, since it uses less digits than its factorization.

123228480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624 (or 5614 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 123228480 is about 11100.8324012211. The cubic root of 123228480 is about 497.6267263003.

It can be divided in two parts, 12322 and 8480, that added together give a palindrome (20802).

The spelling of 123228480 in words is "one hundred twenty-three million, two hundred twenty-eight thousand, four hundred eighty".