11323643 has 2 divisors, whose sum is σ = 11323644. Its totient is φ = 11323642.

The previous prime is 11323633. The next prime is 11323661. The reversal of 11323643 is 34632311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11323643 - 2⁶ = 11323579 is a prime.

It is not a weakly prime, because it can be changed into another prime (11323633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661821 + 5661822.

It is an arithmetic number, because the mean of its divisors is an integer number (5661822).

Almost surely, 2^11323643 is an apocalyptic number.

11323643 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323643 is an equidigital number, since it uses as much as digits as its factorization.

11323643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

The square root of 11323643 is about 3365.0621093822. The cubic root of 11323643 is about 224.5580989275.

Adding to 11323643 its reverse (34632311), we get a palindrome (45955954).

The spelling of 11323643 in words is "eleven million, three hundred twenty-three thousand, six hundred forty-three".