200023550143 has 4 divisors (see below), whose sum is σ = 200028766840. Its totient is φ = 200018333448.

The previous prime is 200023550071. The next prime is 200023550161. The reversal of 200023550143 is 341055320002.

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-200023550143 is a prime.

It is a super-2 number, since 2×200023550143² (a number of 23 digits) 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 (200023550183) 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, 2550405 + ... + 2627662.

It is an arithmetic number, because the mean of its divisors is an integer number (50007191710).

Almost surely, 2^200023550143 is an apocalyptic number.

200023550143 is a deficient number, since it is larger than the sum of its proper divisors (5216697).

200023550143 is an equidigital number, since it uses as much as digits as its factorization.

200023550143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5216696.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 200023550143 its reverse (341055320002), we get a palindrome (541078870145).

The spelling of 200023550143 in words is "two hundred billion, twenty-three million, five hundred fifty thousand, one hundred forty-three".