223120061 has 2 divisors, whose sum is σ = 223120062. Its totient is φ = 223120060.

The previous prime is 223120049. The next prime is 223120067. The reversal of 223120061 is 160021322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222188836 + 931225 = 14906^2 + 965^2 .

It is a cyclic number.

It is not a de Polignac number, because 223120061 - 2¹⁰ = 223119037 is a prime.

It is a super-3 number, since 3×223120061³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223120067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111560030 + 111560031.

It is an arithmetic number, because the mean of its divisors is an integer number (111560031).

Almost surely, 2^223120061 is an apocalyptic number.

It is an amenable number.

223120061 is a deficient number, since it is larger than the sum of its proper divisors (1).

223120061 is an equidigital number, since it uses as much as digits as its factorization.

223120061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 223120061 is about 14937.2039217519. The cubic root of 223120061 is about 606.5215087974.

Adding to 223120061 its reverse (160021322), we get a palindrome (383141383).

The spelling of 223120061 in words is "two hundred twenty-three million, one hundred twenty thousand, sixty-one".