223506525661013 has 8 divisors (see below), whose sum is σ = 255436437805632. Its totient is φ = 191576715636096.

The previous prime is 223506525660961. The next prime is 223506525661063. The reversal of 223506525661013 is 310166525605322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-223506525661013 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 (223506525661063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20781020 + ... + 29645637.

It is an arithmetic number, because the mean of its divisors is an integer number (31929554725704).

Almost surely, 2^{223506525661013} is an apocalyptic number.

It is an amenable number.

223506525661013 is a deficient number, since it is larger than the sum of its proper divisors (31929912144619).

223506525661013 is an equidigital number, since it uses as much as digits as its factorization.

223506525661013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51059851.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 223506525661013 in words is "two hundred twenty-three trillion, five hundred six billion, five hundred twenty-five million, six hundred sixty-one thousand, thirteen".