54040123 has 8 divisors (see below), whose sum is σ = 57734720. Its totient is φ = 50430600.

The previous prime is 54040111. The next prime is 54040141. The reversal of 54040123 is 32104045.

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

It is a cyclic number.

It is not a de Polignac number, because 54040123 - 2⁹ = 54039611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54040123.

It is not an unprimeable number, because it can be changed into a prime (54040163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19953 + ... + 22498.

It is an arithmetic number, because the mean of its divisors is an integer number (7216840).

Almost surely, 2^54040123 is an apocalyptic number.

54040123 is a deficient number, since it is larger than the sum of its proper divisors (3694597).

54040123 is a wasteful number, since it uses less digits than its factorization.

54040123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42537.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 54040123 is about 7351.1987457829. The cubic root of 54040123 is about 378.0699062595.

Adding to 54040123 its reverse (32104045), we get a palindrome (86144168).

The spelling of 54040123 in words is "fifty-four million, forty thousand, one hundred twenty-three".