11642343 has 4 divisors (see below), whose sum is σ = 15523128. Its totient is φ = 7761560.

The previous prime is 11642333. The next prime is 11642359. The reversal of 11642343 is 34324611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34324611 = 3 ⋅11441537.

It is a cyclic number.

It is not a de Polignac number, because 11642343 - 2¹⁷ = 11511271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11642303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1940388 + ... + 1940393.

It is an arithmetic number, because the mean of its divisors is an integer number (3880782).

Almost surely, 2^11642343 is an apocalyptic number.

11642343 is a deficient number, since it is larger than the sum of its proper divisors (3880785).

11642343 is an equidigital number, since it uses as much as digits as its factorization.

11642343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880784.

The product of its digits is 1728, while the sum is 24.

The square root of 11642343 is about 3412.0877773000. The cubic root of 11642343 is about 226.6453413713.

Adding to 11642343 its reverse (34324611), we get a palindrome (45966954).

The spelling of 11642343 in words is "eleven million, six hundred forty-two thousand, three hundred forty-three".