223012312101 has 20 divisors (see below), whose sum is σ = 333600178912. Its totient is φ = 148470330888.

The previous prime is 223012312099. The next prime is 223012312153. The reversal of 223012312101 is 101213210322.

223012312101 is a `hidden beast` number, since 223 + 0 + 1 + 231 + 210 + 1 = 666.

223012312101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223012312101 - 2¹ = 223012312099 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223012316101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1834675 + ... + 1952448.

Almost surely, 2^223012312101 is an apocalyptic number.

It is an amenable number.

223012312101 is a deficient number, since it is larger than the sum of its proper divisors (110587866811).

223012312101 is an equidigital number, since it uses as much as digits as its factorization.

223012312101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787862 (or 3787853 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 223012312101 its reverse (101213210322), we get a palindrome (324225522423).

The spelling of 223012312101 in words is "two hundred twenty-three billion, twelve million, three hundred twelve thousand, one hundred one".