23021200001 has 4 divisors (see below), whose sum is σ = 23027081172. Its totient is φ = 23015318832.

The previous prime is 23021199989. The next prime is 23021200021. The reversal of 23021200001 is 10000212032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8798252401 + 14222947600 = 93799^2 + 119260^2 .

It is a cyclic number.

It is not a de Polignac number, because 23021200001 - 2⁶ = 23021199937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23021200021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2934710 + ... + 2942543.

It is an arithmetic number, because the mean of its divisors is an integer number (5756770293).

Almost surely, 2^23021200001 is an apocalyptic number.

It is an amenable number.

23021200001 is a deficient number, since it is larger than the sum of its proper divisors (5881171).

23021200001 is an equidigital number, since it uses as much as digits as its factorization.

23021200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881170.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 23021200001 its reverse (10000212032), we get a palindrome (33021412033).

The spelling of 23021200001 in words is "twenty-three billion, twenty-one million, two hundred thousand, one".