223272527461 has 4 divisors (see below), whose sum is σ = 226604953312. Its totient is φ = 219940101612.

The previous prime is 223272527417. The next prime is 223272527473. The reversal of 223272527461 is 164725272322.

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 not a de Polignac number, because 223272527461 - 2¹⁵ = 223272494693 is a prime.

It is a super-3 number, since 3×223272527461³ (a number of 35 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 (223272507461) 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, 1666212825 + ... + 1666212958.

It is an arithmetic number, because the mean of its divisors is an integer number (56651238328).

Almost surely, 2^223272527461 is an apocalyptic number.

It is an amenable number.

223272527461 is a deficient number, since it is larger than the sum of its proper divisors (3332425851).

223272527461 is an equidigital number, since it uses as much as digits as its factorization.

223272527461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332425850.

The product of its digits is 564480, while the sum is 43.

Adding to 223272527461 its reverse (164725272322), we get a palindrome (387997799783).

The spelling of 223272527461 in words is "two hundred twenty-three billion, two hundred seventy-two million, five hundred twenty-seven thousand, four hundred sixty-one".