12203455623 has 4 divisors (see below), whose sum is σ = 16271274168. Its totient is φ = 8135637080.

The previous prime is 12203455597. The next prime is 12203455633. The reversal of 12203455623 is 32655430221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32655430221 = 3 ⋅10885143407.

It is a cyclic number.

It is not a de Polignac number, because 12203455623 - 2²⁶ = 12136346759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203455633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033909268 + ... + 2033909273.

It is an arithmetic number, because the mean of its divisors is an integer number (4067818542).

Almost surely, 2^12203455623 is an apocalyptic number.

12203455623 is a deficient number, since it is larger than the sum of its proper divisors (4067818545).

12203455623 is an equidigital number, since it uses as much as digits as its factorization.

12203455623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067818544.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 12203455623 its reverse (32655430221), we get a palindrome (44858885844).

The spelling of 12203455623 in words is "twelve billion, two hundred three million, four hundred fifty-five thousand, six hundred twenty-three".