11345623 has 4 divisors (see below), whose sum is σ = 11408488. Its totient is φ = 11282760.

The previous prime is 11345611. The next prime is 11345627. The reversal of 11345623 is 32654311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11345623 is a prime.

It is a super-3 number, since 3×11345623³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11345627) 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, 31161 + ... + 31522.

It is an arithmetic number, because the mean of its divisors is an integer number (2852122).

Almost surely, 2^11345623 is an apocalyptic number.

11345623 is a deficient number, since it is larger than the sum of its proper divisors (62865).

11345623 is an equidigital number, since it uses as much as digits as its factorization.

11345623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62864.

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

The square root of 11345623 is about 3368.3264390495. The cubic root of 11345623 is about 224.7032994571.

Adding to 11345623 its reverse (32654311), we get a palindrome (43999934).

The spelling of 11345623 in words is "eleven million, three hundred forty-five thousand, six hundred twenty-three".