200450543 has 8 divisors (see below), whose sum is σ = 209409408. Its totient is φ = 191512024.

The previous prime is 200450527. The next prime is 200450603. The reversal of 200450543 is 345054002.

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 200450543 - 2⁴ = 200450527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200450143) 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, 17180 + ... + 26382.

It is an arithmetic number, because the mean of its divisors is an integer number (26176176).

Almost surely, 2^200450543 is an apocalyptic number.

200450543 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

200450543 is a deficient number, since it is larger than the sum of its proper divisors (8958865).

200450543 is an equidigital number, since it uses as much as digits as its factorization.

200450543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10173.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 200450543 is about 14158.0557634161. The cubic root of 200450543 is about 585.2423502162.

It can be divided in two parts, 200 and 450543, that multiplied together give a triangular number (90108600 = T₁₃₄₂₄).

The spelling of 200450543 in words is "two hundred million, four hundred fifty thousand, five hundred forty-three".