11432563 has 4 divisors (see below), whose sum is σ = 11711448. Its totient is φ = 11153680.

The previous prime is 11432557. The next prime is 11432569. The reversal of 11432563 is 36523411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36523411 = 5503 ⋅6637.

It is an interprime number because it is at equal distance from previous prime (11432557) and next prime (11432569).

It is a cyclic number.

It is not a de Polignac number, because 11432563 - 2²¹ = 9335411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11432569) 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, 139381 + ... + 139462.

It is an arithmetic number, because the mean of its divisors is an integer number (2927862).

Almost surely, 2^11432563 is an apocalyptic number.

11432563 is a deficient number, since it is larger than the sum of its proper divisors (278885).

11432563 is an equidigital number, since it uses as much as digits as its factorization.

11432563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278884.

The product of its digits is 2160, while the sum is 25.

The square root of 11432563 is about 3381.2073287511. The cubic root of 11432563 is about 225.2757967797.

Adding to 11432563 its reverse (36523411), we get a palindrome (47955974).

The spelling of 11432563 in words is "eleven million, four hundred thirty-two thousand, five hundred sixty-three".