123234017328 has 80 divisors (see below), whose sum is σ = 372344521600. Its totient is φ = 38916002880.

The previous prime is 123234017327. The next prime is 123234017363. The reversal of 123234017328 is 823710432321.

123234017328 is a `hidden beast` number, since 1 + 2 + 323 + 4 + 0 + 1 + 7 + 328 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 123234017292 and 123234017301.

It is not an unprimeable number, because it can be changed into a prime (123234017321) 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, 7498738 + ... + 7515153.

It is an arithmetic number, because the mean of its divisors is an integer number (4654306520).

Almost surely, 2^123234017328 is an apocalyptic number.

123234017328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

123234017328 is an abundant number, since it is smaller than the sum of its proper divisors (249110504272).

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

123234017328 is a wasteful number, since it uses less digits than its factorization.

123234017328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15013927 (or 15013915 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

Adding to 123234017328 its reverse (823710432321), we get a palindrome (946944449649).

The spelling of 123234017328 in words is "one hundred twenty-three billion, two hundred thirty-four million, seventeen thousand, three hundred twenty-eight".