5309123 has 2 divisors, whose sum is σ = 5309124. Its totient is φ = 5309122.

The previous prime is 5309111. The next prime is 5309137. The reversal of 5309123 is 3219035.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5309123 - 2⁴ = 5309107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5309023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2654561 + 2654562.

It is an arithmetic number, because the mean of its divisors is an integer number (2654562).

Almost surely, 2^5309123 is an apocalyptic number.

5309123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5309123 is an equidigital number, since it uses as much as digits as its factorization.

5309123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 5309123 is about 2304.1534237112. The cubic root of 5309123 is about 174.4513209755.

The spelling of 5309123 in words is "five million, three hundred nine thousand, one hundred twenty-three".