4123152321 has 16 divisors (see below), whose sum is σ = 5601099840. Its totient is φ = 2697203520.

The previous prime is 4123152317. The next prime is 4123152367. The reversal of 4123152321 is 1232513214.

It is not a de Polignac number, because 4123152321 - 2² = 4123152317 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4123152291 and 4123152300.

It is not an unprimeable number, because it can be changed into a prime (4123152301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49791 + ... + 103563.

It is an arithmetic number, because the mean of its divisors is an integer number (350068740).

Almost surely, 2^4123152321 is an apocalyptic number.

It is an amenable number.

4123152321 is a deficient number, since it is larger than the sum of its proper divisors (1477947519).

4123152321 is a wasteful number, since it uses less digits than its factorization.

4123152321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54256.

The product of its digits is 1440, while the sum is 24.

The square root of 4123152321 is about 64211.7771207121. Note that the first 3 decimals coincide. The cubic root of 4123152321 is about 1603.5276749408.

Adding to 4123152321 its reverse (1232513214), we get a palindrome (5355665535).

The spelling of 4123152321 in words is "four billion, one hundred twenty-three million, one hundred fifty-two thousand, three hundred twenty-one".