2131433223 has 4 divisors (see below), whose sum is σ = 2841910968. Its totient is φ = 1420955480.

The previous prime is 2131433219. The next prime is 2131433231. The reversal of 2131433223 is 3223341312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2131433223 - 2² = 2131433219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131433193 and 2131433202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131433263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355238868 + ... + 355238873.

It is an arithmetic number, because the mean of its divisors is an integer number (710477742).

Almost surely, 2^2131433223 is an apocalyptic number.

2131433223 is a deficient number, since it is larger than the sum of its proper divisors (710477745).

2131433223 is an equidigital number, since it uses as much as digits as its factorization.

2131433223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710477744.

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

The square root of 2131433223 is about 46167.4476552473. The cubic root of 2131433223 is about 1286.9368708730.

Adding to 2131433223 its reverse (3223341312), we get a palindrome (5354774535).

The spelling of 2131433223 in words is "two billion, one hundred thirty-one million, four hundred thirty-three thousand, two hundred twenty-three".