223443232101 has 20 divisors (see below), whose sum is σ = 342806805132. Its totient is φ = 144936148608.

The previous prime is 223443232099. The next prime is 223443232141. The reversal of 223443232101 is 101232344322.

223443232101 is a `hidden beast` number, since 2 + 2 + 3 + 443 + 2 + 3 + 210 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 91146629025 + 132296603076 = 301905^2 + 363726^2 .

It is not a de Polignac number, because 223443232101 - 2¹ = 223443232099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223443232141) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37274820 + ... + 37280813.

Almost surely, 2^223443232101 is an apocalyptic number.

It is an amenable number.

223443232101 is a deficient number, since it is larger than the sum of its proper divisors (119363573031).

223443232101 is an equidigital number, since it uses as much as digits as its factorization.

223443232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74555682 (or 74555673 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 223443232101 its reverse (101232344322), we get a palindrome (324675576423).

The spelling of 223443232101 in words is "two hundred twenty-three billion, four hundred forty-three million, two hundred thirty-two thousand, one hundred one".