223841685513 has 4 divisors (see below), whose sum is σ = 298455580688. Its totient is φ = 149227790340.

The previous prime is 223841685481. The next prime is 223841685527. The reversal of 223841685513 is 315586148322.

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 not a de Polignac number, because 223841685513 - 2⁵ = 223841685481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223841685533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37306947583 + ... + 37306947588.

It is an arithmetic number, because the mean of its divisors is an integer number (74613895172).

Almost surely, 2^223841685513 is an apocalyptic number.

It is an amenable number.

223841685513 is a deficient number, since it is larger than the sum of its proper divisors (74613895175).

223841685513 is an equidigital number, since it uses as much as digits as its factorization.

223841685513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74613895174.

The product of its digits is 1382400, while the sum is 48.

The spelling of 223841685513 in words is "two hundred twenty-three billion, eight hundred forty-one million, six hundred eighty-five thousand, five hundred thirteen".