10001243223 has 24 divisors (see below), whose sum is σ = 15003705600. Its totient is φ = 6415013904.

The previous prime is 10001243183. The next prime is 10001243257. The reversal of 10001243223 is 32234210001.

It is not a de Polignac number, because 10001243223 - 2⁶ = 10001243159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10001243196 and 10001243205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001243423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175413 + ... + 225326.

It is an arithmetic number, because the mean of its divisors is an integer number (625154400).

Almost surely, 2^10001243223 is an apocalyptic number.

10001243223 is a deficient number, since it is larger than the sum of its proper divisors (5002462377).

10001243223 is a wasteful number, since it uses less digits than its factorization.

10001243223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400851 (or 400848 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10001243223 its reverse (32234210001), we get a palindrome (42235453224).

The spelling of 10001243223 in words is "ten billion, one million, two hundred forty-three thousand, two hundred twenty-three".