11423647 has 2 divisors, whose sum is σ = 11423648. Its totient is φ = 11423646.

The previous prime is 11423597. The next prime is 11423669. The reversal of 11423647 is 74632411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11423647 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11423747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711823 + 5711824.

It is an arithmetic number, because the mean of its divisors is an integer number (5711824).

Almost surely, 2^11423647 is an apocalyptic number.

11423647 is a deficient number, since it is larger than the sum of its proper divisors (1).

11423647 is an equidigital number, since it uses as much as digits as its factorization.

11423647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 11423647 is about 3379.8886076319. Note that the first 3 decimals coincide. The cubic root of 11423647 is about 225.2172190320.

The spelling of 11423647 in words is "eleven million, four hundred twenty-three thousand, six hundred forty-seven".