223350216461 has 4 divisors (see below), whose sum is σ = 223718174592. Its totient is φ = 222982258332.

The previous prime is 223350216389. The next prime is 223350216491. The reversal of 223350216461 is 164612053322.

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 a de Polignac number, because none of the positive numbers 2^k-223350216461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223350216491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183978155 + ... + 183979368.

It is an arithmetic number, because the mean of its divisors is an integer number (55929543648).

Almost surely, 2^223350216461 is an apocalyptic number.

It is an amenable number.

223350216461 is a deficient number, since it is larger than the sum of its proper divisors (367958131).

223350216461 is an equidigital number, since it uses as much as digits as its factorization.

223350216461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367958130.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 223350216461 its reverse (164612053322), we get a palindrome (387962269783).

The spelling of 223350216461 in words is "two hundred twenty-three billion, three hundred fifty million, two hundred sixteen thousand, four hundred sixty-one".