223043440121 has 8 divisors (see below), whose sum is σ = 228240334080. Its totient is φ = 217846993392.

The previous prime is 223043440117. The next prime is 223043440127. The reversal of 223043440121 is 121044340322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223043440121 - 2² = 223043440117 is a prime.

It is a super-2 number, since 2×223043440121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223043440127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031960 + ... + 1229238.

It is an arithmetic number, because the mean of its divisors is an integer number (28530041760).

Almost surely, 2^223043440121 is an apocalyptic number.

It is an amenable number.

223043440121 is a deficient number, since it is larger than the sum of its proper divisors (5196893959).

223043440121 is a wasteful number, since it uses less digits than its factorization.

223043440121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223615.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 223043440121 its reverse (121044340322), we get a palindrome (344087780443).

The spelling of 223043440121 in words is "two hundred twenty-three billion, forty-three million, four hundred forty thousand, one hundred twenty-one".