223243541 has 12 divisors (see below), whose sum is σ = 238078500. Its totient is φ = 209287680.

The previous prime is 223243513. The next prime is 223243549. The reversal of 223243541 is 145342322.

It can be written as a sum of positive squares in 6 ways, for example, as 6300100 + 216943441 = 2510^2 + 14729^2 .

It is not a de Polignac number, because 223243541 - 2¹⁰ = 223242517 is a prime.

It is a super-3 number, since 3×223243541³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223243541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223243549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79835 + ... + 82583.

It is an arithmetic number, because the mean of its divisors is an integer number (19839875).

Almost surely, 2^223243541 is an apocalyptic number.

It is an amenable number.

223243541 is a deficient number, since it is larger than the sum of its proper divisors (14834959).

223243541 is a wasteful number, since it uses less digits than its factorization.

223243541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064 (or 3047 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 223243541 is about 14941.3366537268. The cubic root of 223243541 is about 606.6333760194.

Adding to 223243541 its reverse (145342322), we get a palindrome (368585863).

The spelling of 223243541 in words is "two hundred twenty-three million, two hundred forty-three thousand, five hundred forty-one".