5623043 has 2 divisors, whose sum is σ = 5623044. Its totient is φ = 5623042.

The previous prime is 5623021. The next prime is 5623081. The reversal of 5623043 is 3403265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5623043 - 2²⁰ = 4574467 is a prime.

It is a super-3 number, since 3×5623043³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5623003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2811521 + 2811522.

It is an arithmetic number, because the mean of its divisors is an integer number (2811522).

Almost surely, 2^5623043 is an apocalyptic number.

5623043 is a deficient number, since it is larger than the sum of its proper divisors (1).

5623043 is an equidigital number, since it uses as much as digits as its factorization.

5623043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 5623043 is about 2371.2956374101. The cubic root of 5623043 is about 177.8240381205.

The spelling of 5623043 in words is "five million, six hundred twenty-three thousand, forty-three".