223111240200423 has 12 divisors (see below), whose sum is σ = 322272287913160. Its totient is φ = 148740597640656.

The previous prime is 223111240200319. The next prime is 223111240200463. The reversal of 223111240200423 is 324002042111322.

223111240200423 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 11 + 24 + 0 + 200 + 423 = 666.

It is not a de Polignac number, because 223111240200423 - 2³² = 223106945233127 is a prime.

It is a super-3 number, since 3×223111240200423³ (a number of 44 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 (223111240200463) 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, 12821953 + ... + 24710826.

Almost surely, 2^{223111240200423} is an apocalyptic number.

223111240200423 is a deficient number, since it is larger than the sum of its proper divisors (99161047712737).

223111240200423 is a wasteful number, since it uses less digits than its factorization.

223111240200423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38193278 (or 38193275 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 223111240200423 its reverse (324002042111322), we get a palindrome (547113282311745).

The spelling of 223111240200423 in words is "two hundred twenty-three trillion, one hundred eleven billion, two hundred forty million, two hundred thousand, four hundred twenty-three".