123945360 has 320 divisors, whose sum is σ = 505681920. Its totient is φ = 24330240.

The previous prime is 123945343. The next prime is 123945389. The reversal of 123945360 is 63549321.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 350944 + ... + 351296.

It is an arithmetic number, because the mean of its divisors is an integer number (1580256).

Almost surely, 2^123945360 is an apocalyptic number.

123945360 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 123945360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252840960).

123945360 is an abundant number, since it is smaller than the sum of its proper divisors (381736560).

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

123945360 is a wasteful number, since it uses less digits than its factorization.

123945360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 123945360 is about 11133.0750469042. The cubic root of 123945360 is about 498.5898399696.

The spelling of 123945360 in words is "one hundred twenty-three million, nine hundred forty-five thousand, three hundred sixty".