4320123155 has 8 divisors (see below), whose sum is σ = 5257164384. Its totient is φ = 3407420800.

The previous prime is 4320123139. The next prime is 4320123161. The reversal of 4320123155 is 5513210234.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4320123155 - 2⁴ = 4320123139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6084326 + ... + 6085035.

It is an arithmetic number, because the mean of its divisors is an integer number (657145548).

Almost surely, 2^4320123155 is an apocalyptic number.

4320123155 is a deficient number, since it is larger than the sum of its proper divisors (937041229).

4320123155 is a wasteful number, since it uses less digits than its factorization.

4320123155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12169437.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 4320123155 is about 65727.6437657703. The cubic root of 4320123155 is about 1628.6660463887. Note that the first 3 decimals are identical.

Adding to 4320123155 its reverse (5513210234), we get a palindrome (9833333389).

The spelling of 4320123155 in words is "four billion, three hundred twenty million, one hundred twenty-three thousand, one hundred fifty-five".