11423689 has 2 divisors, whose sum is σ = 11423690. Its totient is φ = 11423688.

The previous prime is 11423683. The next prime is 11423747. The reversal of 11423689 is 98632411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9560464 + 1863225 = 3092^2 + 1365^2 .

It is a cyclic number.

It is not a de Polignac number, because 11423689 - 2⁹ = 11423177 is a prime.

It is not a weakly prime, because it can be changed into another prime (11423683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711844 + 5711845.

It is an arithmetic number, because the mean of its divisors is an integer number (5711845).

Almost surely, 2^11423689 is an apocalyptic number.

It is an amenable number.

11423689 is a deficient number, since it is larger than the sum of its proper divisors (1).

11423689 is an equidigital number, since it uses as much as digits as its factorization.

11423689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 11423689 is about 3379.8948208487. The cubic root of 11423689 is about 225.2174950416.

The spelling of 11423689 in words is "eleven million, four hundred twenty-three thousand, six hundred eighty-nine".