223506525661203 has 16 divisors (see below), whose sum is σ = 303588034606080. Its totient is φ = 146237271974976.

The previous prime is 223506525661171. The next prime is 223506525661241. The reversal of 223506525661203 is 302166525605322.

It is not a de Polignac number, because 223506525661203 - 2⁵ = 223506525661171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223506525661103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2823509850 + ... + 2823589007.

It is an arithmetic number, because the mean of its divisors is an integer number (18974252162880).

Almost surely, 2^{223506525661203} is an apocalyptic number.

223506525661203 is a deficient number, since it is larger than the sum of its proper divisors (80081508944877).

223506525661203 is a wasteful number, since it uses less digits than its factorization.

223506525661203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647099106.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 223506525661203 in words is "two hundred twenty-three trillion, five hundred six billion, five hundred twenty-five million, six hundred sixty-one thousand, two hundred three".