6143623 has 4 divisors (see below), whose sum is σ = 6149088. Its totient is φ = 6138160.

The previous prime is 6143617. The next prime is 6143629. The reversal of 6143623 is 3263416.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (6143617) and next prime (6143629).

It is a cyclic number.

It is not a de Polignac number, because 6143623 - 2¹⁷ = 6012551 is a prime.

It is a super-2 number, since 2×6143623² = 75488207132258, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

6143623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6143629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358 + ... + 3523.

It is an arithmetic number, because the mean of its divisors is an integer number (1537272).

Almost surely, 2^6143623 is an apocalyptic number.

6143623 is a deficient number, since it is larger than the sum of its proper divisors (5465).

6143623 is a wasteful number, since it uses less digits than its factorization.

6143623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464.

The product of its digits is 2592, while the sum is 25.

The square root of 6143623 is about 2478.6332927644. The cubic root of 6143623 is about 183.1505325751.

The spelling of 6143623 in words is "six million, one hundred forty-three thousand, six hundred twenty-three".