123045480 has 96 divisors (see below), whose sum is σ = 414741600. Its totient is φ = 32809536.

The previous prime is 123045467. The next prime is 123045487. The reversal of 123045480 is 84540321.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (123045487) by changing a digit.

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, 3391 + ... + 16049.

It is an arithmetic number, because the mean of its divisors is an integer number (4320225).

Almost surely, 2^123045480 is an apocalyptic number.

123045480 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 123045480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207370800).

123045480 is an abundant number, since it is smaller than the sum of its proper divisors (291696120).

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

123045480 is a wasteful number, since it uses less digits than its factorization.

123045480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12685 (or 12669 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 123045480 is about 11092.5867136570. The cubic root of 123045480 is about 497.3802713491.

The spelling of 123045480 in words is "one hundred twenty-three million, forty-five thousand, four hundred eighty".