223125653 has 4 divisors (see below), whose sum is σ = 223887468. Its totient is φ = 222363840.

The previous prime is 223125641. The next prime is 223125659. The reversal of 223125653 is 356521322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 189971089 + 33154564 = 13783^2 + 5758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223125653 is a prime.

It is a super-3 number, since 3×223125653³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223125659) 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, 380468 + ... + 381053.

It is an arithmetic number, because the mean of its divisors is an integer number (55971867).

Almost surely, 2^223125653 is an apocalyptic number.

It is an amenable number.

223125653 is a deficient number, since it is larger than the sum of its proper divisors (761815).

223125653 is an equidigital number, since it uses as much as digits as its factorization.

223125653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761814.

The product of its digits is 10800, while the sum is 29.

The square root of 223125653 is about 14937.3911042056. The cubic root of 223125653 is about 606.5265757852.

Adding to 223125653 its reverse (356521322), we get a palindrome (579646975).

The spelling of 223125653 in words is "two hundred twenty-three million, one hundred twenty-five thousand, six hundred fifty-three".