12203623 has 2 divisors, whose sum is σ = 12203624. Its totient is φ = 12203622.

The previous prime is 12203617. The next prime is 12203627. The reversal of 12203623 is 32630221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12203623 is a prime.

It is a super-2 number, since 2×12203623² = 297856828652258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12203623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12203627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101811 + 6101812.

It is an arithmetic number, because the mean of its divisors is an integer number (6101812).

Almost surely, 2^12203623 is an apocalyptic number.

12203623 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203623 is an equidigital number, since it uses as much as digits as its factorization.

12203623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 12203623 is about 3493.3684317575. The cubic root of 12203623 is about 230.2305375924.

Adding to 12203623 its reverse (32630221), we get a palindrome (44833844).

The spelling of 12203623 in words is "twelve million, two hundred three thousand, six hundred twenty-three".