54543123 has 24 divisors (see below), whose sum is σ = 84610656. Its totient is φ = 33734400.

The previous prime is 54543121. The next prime is 54543127. The reversal of 54543123 is 32134545.

It is not a de Polignac number, because 54543123 - 2¹ = 54543121 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (54543121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8353 + ... + 13373.

It is an arithmetic number, because the mean of its divisors is an integer number (3525444).

Almost surely, 2^54543123 is an apocalyptic number.

54543123 is a deficient number, since it is larger than the sum of its proper divisors (30067533).

54543123 is a wasteful number, since it uses less digits than its factorization.

54543123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115 (or 5112 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 54543123 is about 7385.3316106997. The cubic root of 54543123 is about 379.2392976885.

Adding to 54543123 its reverse (32134545), we get a palindrome (86677668).

The spelling of 54543123 in words is "fifty-four million, five hundred forty-three thousand, one hundred twenty-three".