11001430523 has 2 divisors, whose sum is σ = 11001430524. Its totient is φ = 11001430522.

The previous prime is 11001430519. The next prime is 11001430529. The reversal of 11001430523 is 32503410011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11001430523 - 2² = 11001430519 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11001430495 and 11001430504.

It is not a weakly prime, because it can be changed into another prime (11001430529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500715261 + 5500715262.

It is an arithmetic number, because the mean of its divisors is an integer number (5500715262).

Almost surely, 2^11001430523 is an apocalyptic number.

11001430523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001430523 is an equidigital number, since it uses as much as digits as its factorization.

11001430523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 11001430523 its reverse (32503410011), we get a palindrome (43504840534).

The spelling of 11001430523 in words is "eleven billion, one million, four hundred thirty thousand, five hundred twenty-three".