12203430143 has 16 divisors (see below), whose sum is σ = 13267393920. Its totient is φ = 11186665056.

The previous prime is 12203430101. The next prime is 12203430167. The reversal of 12203430143 is 34103430221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12203430143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203420143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17621 + ... + 157217.

It is an arithmetic number, because the mean of its divisors is an integer number (829212120).

Almost surely, 2^12203430143 is an apocalyptic number.

12203430143 is a deficient number, since it is larger than the sum of its proper divisors (1063963777).

12203430143 is a wasteful number, since it uses less digits than its factorization.

12203430143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139766.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12203430143 its reverse (34103430221), we get a palindrome (46306860364).

The spelling of 12203430143 in words is "twelve billion, two hundred three million, four hundred thirty thousand, one hundred forty-three".