11345523 has 16 divisors (see below), whose sum is σ = 17583360. Its totient is φ = 6372576.

The previous prime is 11345501. The next prime is 11345549. The reversal of 11345523 is 32554311.

It is not a de Polignac number, because 11345523 - 2⁵ = 11345491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11345493 and 11345502.

It is not an unprimeable number, because it can be changed into a prime (11345563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3340 + ... + 5817.

It is an arithmetic number, because the mean of its divisors is an integer number (1098960).

Almost surely, 2^11345523 is an apocalyptic number.

11345523 is a deficient number, since it is larger than the sum of its proper divisors (6237837).

11345523 is an equidigital number, since it uses as much as digits as its factorization.

11345523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9226.

The product of its digits is 1800, while the sum is 24.

The square root of 11345523 is about 3368.3115948499. The cubic root of 11345523 is about 224.7026392790.

Adding to 11345523 its reverse (32554311), we get a palindrome (43899834).

The spelling of 11345523 in words is "eleven million, three hundred forty-five thousand, five hundred twenty-three".