23203212111001 has 8 divisors (see below), whose sum is σ = 24991949392200. Its totient is φ = 21415028374272.

The previous prime is 23203212110977. The next prime is 23203212111047. The reversal of 23203212111001 is 10011121230232.

It can be written as a sum of positive squares in 4 ways, for example, as 5598902440000 + 17604309671001 = 2366200^2 + 4195749^2 .

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

It is not a de Polignac number, because 23203212111001 - 2¹⁹ = 23203211586713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23203212111001.

It is not an unprimeable number, because it can be changed into a prime (23203212114001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138299050 + ... + 138466723.

It is an arithmetic number, because the mean of its divisors is an integer number (3123993674025).

Almost surely, 2^{23203212111001} is an apocalyptic number.

It is an amenable number.

23203212111001 is a deficient number, since it is larger than the sum of its proper divisors (1788737281199).

23203212111001 is a wasteful number, since it uses less digits than its factorization.

23203212111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276772235.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 23203212111001 its reverse (10011121230232), we get a palindrome (33214333341233).

The spelling of 23203212111001 in words is "twenty-three trillion, two hundred three billion, two hundred twelve million, one hundred eleven thousand, one".