5091923 has 2 divisors, whose sum is σ = 5091924. Its totient is φ = 5091922.

The previous prime is 5091899. The next prime is 5091929. The reversal of 5091923 is 3291905.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5091923 - 2¹⁸ = 4829779 is a prime.

It is a d-powerful number, because it can be written as 5 + 0 + 9³ + 1 + 9⁷ + 2¹⁷ + 3¹¹ .

It is not a weakly prime, because it can be changed into another prime (5091929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545961 + 2545962.

It is an arithmetic number, because the mean of its divisors is an integer number (2545962).

Almost surely, 2^5091923 is an apocalyptic number.

5091923 is a deficient number, since it is larger than the sum of its proper divisors (1).

5091923 is an equidigital number, since it uses as much as digits as its factorization.

5091923 is an evil number, because the sum of its binary digits is even.

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

The square root of 5091923 is about 2256.5289716731. The cubic root of 5091923 is about 172.0391451376.

The spelling of 5091923 in words is "five million, ninety-one thousand, nine hundred twenty-three".