445223443350203 has 4 divisors (see below), whose sum is σ = 508826792400240. Its totient is φ = 381620094300168.

The previous prime is 445223443350097. The next prime is 445223443350211. The reversal of 445223443350203 is 302053344322544.

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 445223443350203 - 2⁸ = 445223443349947 is a prime.

It is a super-2 number, since 2×445223443350203² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445223443350263) 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, 31801674525008 + ... + 31801674525021.

It is an arithmetic number, because the mean of its divisors is an integer number (127206698100060).

Almost surely, 2^{445223443350203} is an apocalyptic number.

445223443350203 is a deficient number, since it is larger than the sum of its proper divisors (63603349050037).

445223443350203 is an equidigital number, since it uses as much as digits as its factorization.

445223443350203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63603349050036.

The product of its (nonzero) digits is 4147200, while the sum is 44.

Adding to 445223443350203 its reverse (302053344322544), we get a palindrome (747276787672747).

The spelling of 445223443350203 in words is "four hundred forty-five trillion, two hundred twenty-three billion, four hundred forty-three million, three hundred fifty thousand, two hundred three".