11723401 has 2 divisors, whose sum is σ = 11723402. Its totient is φ = 11723400.

The previous prime is 11723377. The next prime is 11723419. The reversal of 11723401 is 10432711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6656400 + 5067001 = 2580^2 + 2251^2 .

It is an emirp because it is prime and its reverse (10432711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11723401 - 2²¹ = 9626249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11723461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5861700 + 5861701.

It is an arithmetic number, because the mean of its divisors is an integer number (5861701).

Almost surely, 2^11723401 is an apocalyptic number.

It is an amenable number.

11723401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11723401 is an equidigital number, since it uses as much as digits as its factorization.

11723401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11723401 is about 3423.9452390481. The cubic root of 11723401 is about 227.1701196508.

The spelling of 11723401 in words is "eleven million, seven hundred twenty-three thousand, four hundred one".