4243623 has 8 divisors (see below), whose sum is σ = 5796336. Its totient is φ = 2760000.

The previous prime is 4243619. The next prime is 4243633. The reversal of 4243623 is 3263424.

It is a happy number.

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

It is not a de Polignac number, because 4243623 - 2² = 4243619 is a prime.

It is a super-2 number, since 2×4243623² = 36016672332258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4243593 and 4243602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243633) 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, 17128 + ... + 17373.

It is an arithmetic number, because the mean of its divisors is an integer number (724542).

Almost surely, 2^4243623 is an apocalyptic number.

4243623 is a deficient number, since it is larger than the sum of its proper divisors (1552713).

4243623 is a wasteful number, since it uses less digits than its factorization.

4243623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34545.

The product of its digits is 3456, while the sum is 24.

The square root of 4243623 is about 2060.0055825167. The cubic root of 4243623 is about 161.8995338058.

The spelling of 4243623 in words is "four million, two hundred forty-three thousand, six hundred twenty-three".