5991023 has 16 divisors (see below), whose sum is σ = 6652800. Its totient is φ = 5372640.

The previous prime is 5990977. The next prime is 5991031. The reversal of 5991023 is 3201995.

It is a cyclic number.

It is not a de Polignac number, because 5991023 - 2¹⁰ = 5989999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45668 + ... + 45798.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 2^5991023 is an apocalyptic number.

5991023 is a deficient number, since it is larger than the sum of its proper divisors (661777).

5991023 is a wasteful number, since it uses less digits than its factorization.

5991023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 5991023 is about 2447.6566344159. The cubic root of 5991023 is about 181.6213902075.

The spelling of 5991023 in words is "five million, nine hundred ninety-one thousand, twenty-three".