5091023 has 4 divisors (see below), whose sum is σ = 5818320. Its totient is φ = 4363728.

The previous prime is 5091019. The next prime is 5091061. The reversal of 5091023 is 3201905.

5091023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5091023 - 2² = 5091019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5090986 and 5091004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5091013) 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, 363638 + ... + 363651.

It is an arithmetic number, because the mean of its divisors is an integer number (1454580).

Almost surely, 2^5091023 is an apocalyptic number.

5091023 is a deficient number, since it is larger than the sum of its proper divisors (727297).

5091023 is an equidigital number, since it uses as much as digits as its factorization.

5091023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727296.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 5091023 is about 2256.3295415342. The cubic root of 5091023 is about 172.0290085380.

Adding to 5091023 its reverse (3201905), we get a palindrome (8292928).

The spelling of 5091023 in words is "five million, ninety-one thousand, twenty-three".