12203423434 has 32 divisors (see below), whose sum is σ = 19027068480. Its totient is φ = 5865820800.

The previous prime is 12203423431. The next prime is 12203423437. The reversal of 12203423434 is 43432430221.

It is an interprime number because it is at equal distance from previous prime (12203423431) and next prime (12203423437).

It is not an unprimeable number, because it can be changed into a prime (12203423431) 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 15 ways as a sum of consecutive naturals, for example, 2863197 + ... + 2867455.

It is an arithmetic number, because the mean of its divisors is an integer number (594595890).

Almost surely, 2^12203423434 is an apocalyptic number.

12203423434 is a deficient number, since it is larger than the sum of its proper divisors (6823645046).

12203423434 is a wasteful number, since it uses less digits than its factorization.

12203423434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 12203423434 its reverse (43432430221), we get a palindrome (55635853655).

The spelling of 12203423434 in words is "twelve billion, two hundred three million, four hundred twenty-three thousand, four hundred thirty-four".