54643123 has 4 divisors (see below), whose sum is σ = 55458760. Its totient is φ = 53827488.

The previous prime is 54643097. The next prime is 54643139. The reversal of 54643123 is 32134645.

54643123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54643123 - 2²¹ = 52545971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54643091 and 54643100.

It is not an unprimeable number, because it can be changed into a prime (54640123) 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, 407718 + ... + 407851.

It is an arithmetic number, because the mean of its divisors is an integer number (13864690).

Almost surely, 2^54643123 is an apocalyptic number.

54643123 is a deficient number, since it is larger than the sum of its proper divisors (815637).

54643123 is an equidigital number, since it uses as much as digits as its factorization.

54643123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815636.

The product of its digits is 8640, while the sum is 28.

The square root of 54643123 is about 7392.0986871118. The cubic root of 54643123 is about 379.4709234465.

Adding to 54643123 its reverse (32134645), we get a palindrome (86777768).

The spelling of 54643123 in words is "fifty-four million, six hundred forty-three thousand, one hundred twenty-three".