200223451665361 has 4 divisors (see below), whose sum is σ = 200223503910400. Its totient is φ = 200223399420324.

The previous prime is 200223451665317. The next prime is 200223451665421. The reversal of 200223451665361 is 163566154322002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200223451665361 - 2²¹ = 200223449568209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200223451665161) 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, 19876041 + ... + 28204678.

It is an arithmetic number, because the mean of its divisors is an integer number (50055875977600).

Almost surely, 2^{200223451665361} is an apocalyptic number.

It is an amenable number.

200223451665361 is a deficient number, since it is larger than the sum of its proper divisors (52245039).

200223451665361 is an equidigital number, since it uses as much as digits as its factorization.

200223451665361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52245038.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 200223451665361 in words is "two hundred trillion, two hundred twenty-three billion, four hundred fifty-one million, six hundred sixty-five thousand, three hundred sixty-one".