12203323431 has 16 divisors (see below), whose sum is σ = 17627656704. Its totient is φ = 7464765024.

The previous prime is 12203323427. The next prime is 12203323459. The reversal of 12203323431 is 13432330221.

It is not a de Polignac number, because 12203323431 - 2² = 12203323427 is a prime.

It is a super-2 number, since 2×12203323431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203323421) 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, 930331 + ... + 943356.

It is an arithmetic number, because the mean of its divisors is an integer number (1101728544).

Almost surely, 2^12203323431 is an apocalyptic number.

12203323431 is a deficient number, since it is larger than the sum of its proper divisors (5424333273).

12203323431 is a wasteful number, since it uses less digits than its factorization.

12203323431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873870.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12203323431 its reverse (13432330221), we get a palindrome (25635653652).

The spelling of 12203323431 in words is "twelve billion, two hundred three million, three hundred twenty-three thousand, four hundred thirty-one".