200223431 has 4 divisors (see below), whose sum is σ = 204483552. Its totient is φ = 195963312.

The previous prime is 200223421. The next prime is 200223461. The reversal of 200223431 is 134322002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200223431 is a prime.

It is a super-2 number, since 2×200223431² = 80178844642823522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200223421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129990 + ... + 2130083.

It is an arithmetic number, because the mean of its divisors is an integer number (51120888).

Almost surely, 2^200223431 is an apocalyptic number.

200223431 is a deficient number, since it is larger than the sum of its proper divisors (4260121).

200223431 is an equidigital number, since it uses as much as digits as its factorization.

200223431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260120.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 200223431 is about 14150.0328974883. The cubic root of 200223431 is about 585.0212386669.

Adding to 200223431 its reverse (134322002), we get a palindrome (334545433).

The spelling of 200223431 in words is "two hundred million, two hundred twenty-three thousand, four hundred thirty-one".