11233440523 has 8 divisors (see below), whose sum is σ = 12095829360. Its totient is φ = 10393451520.

The previous prime is 11233440521. The next prime is 11233440587. The reversal of 11233440523 is 32504433211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11233440523 - 2¹ = 11233440521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11233440491 and 11233440500.

It is not an unprimeable number, because it can be changed into a prime (11233440521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5598918 + ... + 5600923.

It is an arithmetic number, because the mean of its divisors is an integer number (1511978670).

Almost surely, 2^11233440523 is an apocalyptic number.

11233440523 is a deficient number, since it is larger than the sum of its proper divisors (862388837).

11233440523 is a wasteful number, since it uses less digits than its factorization.

11233440523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11199917.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 11233440523 its reverse (32504433211), we get a palindrome (43737873734).

The spelling of 11233440523 in words is "eleven billion, two hundred thirty-three million, four hundred forty thousand, five hundred twenty-three".