12203423031 has 8 divisors (see below), whose sum is σ = 16395439104. Its totient is φ = 8073511160.

The previous prime is 12203423009. The next prime is 12203423033. The reversal of 12203423031 is 13032430221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12203423031 - 2⁹ = 12203422519 is a prime.

It is a super-2 number, since 2×12203423031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12203422989 and 12203423007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203423033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15525591 + ... + 15526376.

It is an arithmetic number, because the mean of its divisors is an integer number (2049429888).

Almost surely, 2^12203423031 is an apocalyptic number.

12203423031 is a deficient number, since it is larger than the sum of its proper divisors (4192016073).

12203423031 is a wasteful number, since it uses less digits than its factorization.

12203423031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31052101.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12203423031 its reverse (13032430221), we get a palindrome (25235853252).

The spelling of 12203423031 in words is "twelve billion, two hundred three million, four hundred twenty-three thousand, thirty-one".