123040328 has 16 divisors (see below), whose sum is σ = 230878080. Its totient is φ = 61472848.

The previous prime is 123040327. The next prime is 123040343. The reversal of 123040328 is 823040321.

It is not an unprimeable number, because it can be changed into a prime (123040327) 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 3 ways as a sum of consecutive naturals, for example, 6725 + ... + 17067.

It is an arithmetic number, because the mean of its divisors is an integer number (14429880).

Almost surely, 2^123040328 is an apocalyptic number.

It is an amenable number.

123040328 is a deficient number, since it is larger than the sum of its proper divisors (107837752).

123040328 is a wasteful number, since it uses less digits than its factorization.

123040328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11836 (or 11832 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 123040328 is about 11092.3544840579. The cubic root of 123040328 is about 497.3733293660.

Adding to 123040328 its reverse (823040321), we get a palindrome (946080649).

The spelling of 123040328 in words is "one hundred twenty-three million, forty thousand, three hundred twenty-eight".