5143123 has 4 divisors (see below), whose sum is σ = 5155488. Its totient is φ = 5130760.

The previous prime is 5143109. The next prime is 5143133. The reversal of 5143123 is 3213415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3213415 = 5 ⋅642683.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5143123 is a prime.

It is a Duffinian number.

5143123 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5143123.

It is not an unprimeable number, because it can be changed into a prime (5143133) 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, 5536 + ... + 6397.

It is an arithmetic number, because the mean of its divisors is an integer number (1288872).

Almost surely, 2^5143123 is an apocalyptic number.

5143123 is a deficient number, since it is larger than the sum of its proper divisors (12365).

5143123 is a wasteful number, since it uses less digits than its factorization.

5143123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12364.

The product of its digits is 360, while the sum is 19.

The square root of 5143123 is about 2267.8454532882. The cubic root of 5143123 is about 172.6138490893.

Adding to 5143123 its reverse (3213415), we get a palindrome (8356538).

The spelling of 5143123 in words is "five million, one hundred forty-three thousand, one hundred twenty-three".