6191023 has 4 divisors (see below), whose sum is σ = 6196888. Its totient is φ = 6185160.

The previous prime is 6190999. The next prime is 6191051. The reversal of 6191023 is 3201916.

6191023 is nontrivially palindromic in base 11.

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 a cyclic number.

It is not a de Polignac number, because 6191023 - 2⁵ = 6190991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6190985 and 6191003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6191083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861 + ... + 3622.

It is an arithmetic number, because the mean of its divisors is an integer number (1549222).

Almost surely, 2^6191023 is an apocalyptic number.

6191023 is a deficient number, since it is larger than the sum of its proper divisors (5865).

6191023 is a wasteful number, since it uses less digits than its factorization.

6191023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 6191023 is about 2488.1766416394. The cubic root of 6191023 is about 183.6203478634.

Adding to 6191023 its reverse (3201916), we get a palindrome (9392939).

The spelling of 6191023 in words is "six million, one hundred ninety-one thousand, twenty-three".