12308623 has 2 divisors, whose sum is σ = 12308624. Its totient is φ = 12308622.

The previous prime is 12308587. The next prime is 12308669. The reversal of 12308623 is 32680321.

12308623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12308623 is a prime.

It is a super-2 number, since 2×12308623² = 303004400312258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12308683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6154311 + 6154312.

It is an arithmetic number, because the mean of its divisors is an integer number (6154312).

Almost surely, 2^12308623 is an apocalyptic number.

12308623 is a deficient number, since it is larger than the sum of its proper divisors (1).

12308623 is an equidigital number, since it uses as much as digits as its factorization.

12308623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 12308623 is about 3508.3647187828. The cubic root of 12308623 is about 230.8889542042. Note that the first 3 decimals are identical.

Adding to 12308623 its reverse (32680321), we get a palindrome (44988944).

The spelling of 12308623 in words is "twelve million, three hundred eight thousand, six hundred twenty-three".