11389723 has 2 divisors, whose sum is σ = 11389724. Its totient is φ = 11389722.

The previous prime is 11389717. The next prime is 11389771. The reversal of 11389723 is 32798311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11389723 - 2¹⁷ = 11258651 is a prime.

It is not a weakly prime, because it can be changed into another prime (11380723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5694861 + 5694862.

It is an arithmetic number, because the mean of its divisors is an integer number (5694862).

Almost surely, 2^11389723 is an apocalyptic number.

11389723 is a deficient number, since it is larger than the sum of its proper divisors (1).

11389723 is an equidigital number, since it uses as much as digits as its factorization.

11389723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 11389723 is about 3374.8663677248. The cubic root of 11389723 is about 224.9940607486.

The spelling of 11389723 in words is "eleven million, three hundred eighty-nine thousand, seven hundred twenty-three".