223140061 has 4 divisors (see below), whose sum is σ = 225440572. Its totient is φ = 220839552.

The previous prime is 223140041. The next prime is 223140091. The reversal of 223140061 is 160041322.

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 145805625 + 77334436 = 12075^2 + 8794^2 .

It is a cyclic number.

It is not a de Polignac number, because 223140061 - 2⁹ = 223139549 is a prime.

It is a super-3 number, since 3×223140061³ (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 (223140031) 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, 1150110 + ... + 1150303.

It is an arithmetic number, because the mean of its divisors is an integer number (56360143).

Almost surely, 2^223140061 is an apocalyptic number.

It is an amenable number.

223140061 is a deficient number, since it is larger than the sum of its proper divisors (2300511).

223140061 is an equidigital number, since it uses as much as digits as its factorization.

223140061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300510.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 223140061 is about 14937.8733760867. The cubic root of 223140061 is about 606.5396306816.

Adding to 223140061 its reverse (160041322), we get a palindrome (383181383).

The spelling of 223140061 in words is "two hundred twenty-three million, one hundred forty thousand, sixty-one".