12113623 has 4 divisors (see below), whose sum is σ = 12267040. Its totient is φ = 11960208.

The previous prime is 12113599. The next prime is 12113657. The reversal of 12113623 is 32631121.

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-12113623 is a prime.

It is a super-2 number, since 2×12113623² = 293479724372258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12113623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113323) 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, 76590 + ... + 76747.

It is an arithmetic number, because the mean of its divisors is an integer number (3066760).

Almost surely, 2^12113623 is an apocalyptic number.

12113623 is a deficient number, since it is larger than the sum of its proper divisors (153417).

12113623 is an equidigital number, since it uses as much as digits as its factorization.

12113623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153416.

The product of its digits is 216, while the sum is 19.

The square root of 12113623 is about 3480.4630439067. The cubic root of 12113623 is about 229.6631679502.

Adding to 12113623 its reverse (32631121), we get a palindrome (44744744).

The spelling of 12113623 in words is "twelve million, one hundred thirteen thousand, six hundred twenty-three".