13238723 has 2 divisors, whose sum is σ = 13238724. Its totient is φ = 13238722.

The previous prime is 13238717. The next prime is 13238747. The reversal of 13238723 is 32783231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13238723 - 2²⁰ = 12190147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13298723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6619361 + 6619362.

It is an arithmetic number, because the mean of its divisors is an integer number (6619362).

Almost surely, 2^13238723 is an apocalyptic number.

13238723 is a deficient number, since it is larger than the sum of its proper divisors (1).

13238723 is an equidigital number, since it uses as much as digits as its factorization.

13238723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 13238723 is about 3638.5055998308. The cubic root of 13238723 is about 236.5640236862.

The spelling of 13238723 in words is "thirteen million, two hundred thirty-eight thousand, seven hundred twenty-three".