223240343011 has 32 divisors (see below), whose sum is σ = 272740773888. Its totient is φ = 178366917120.

The previous prime is 223240342981. The next prime is 223240343069. The reversal of 223240343011 is 110343042322.

It is not a de Polignac number, because 223240343011 - 2⁹ = 223240342499 is a prime.

It is a super-3 number, since 3×223240343011³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223240343311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5393766 + ... + 5434996.

It is an arithmetic number, because the mean of its divisors is an integer number (8523149184).

Almost surely, 2^223240343011 is an apocalyptic number.

223240343011 is a deficient number, since it is larger than the sum of its proper divisors (49500430877).

223240343011 is a wasteful number, since it uses less digits than its factorization.

223240343011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41691.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 223240343011 its reverse (110343042322), we get a palindrome (333583385333).

The spelling of 223240343011 in words is "two hundred twenty-three billion, two hundred forty million, three hundred forty-three thousand, eleven".