4326640123 has 32 divisors (see below), whose sum is σ = 4895251200. Its totient is φ = 3796523136.

The previous prime is 4326640111. The next prime is 4326640127. The reversal of 4326640123 is 3210466234.

It is a cyclic number.

It is not a de Polignac number, because 4326640123 - 2²⁹ = 3789769211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4326640127) 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 31 ways as a sum of consecutive naturals, for example, 11415748 + ... + 11416126.

It is an arithmetic number, because the mean of its divisors is an integer number (152976600).

Almost surely, 2^4326640123 is an apocalyptic number.

4326640123 is a deficient number, since it is larger than the sum of its proper divisors (568611077).

4326640123 is a wasteful number, since it uses less digits than its factorization.

4326640123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 4326640123 is about 65777.2006321339. The cubic root of 4326640123 is about 1629.4845903274.

The spelling of 4326640123 in words is "four billion, three hundred twenty-six million, six hundred forty thousand, one hundred twenty-three".