23221303001 has 4 divisors (see below), whose sum is σ = 25007557092. Its totient is φ = 21435048912.

The previous prime is 23221302997. The next prime is 23221303067. The reversal of 23221303001 is 10030312232.

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 1920192400 + 21301110601 = 43820^2 + 145949^2 .

It is a cyclic number.

It is not a de Polignac number, because 23221303001 - 2² = 23221302997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23221333001) 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, 893127026 + ... + 893127051.

It is an arithmetic number, because the mean of its divisors is an integer number (6251889273).

Almost surely, 2^23221303001 is an apocalyptic number.

It is an amenable number.

23221303001 is a deficient number, since it is larger than the sum of its proper divisors (1786254091).

23221303001 is a wasteful number, since it uses less digits than its factorization.

23221303001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786254090.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23221303001 its reverse (10030312232), we get a palindrome (33251615233).

The spelling of 23221303001 in words is "twenty-three billion, two hundred twenty-one million, three hundred three thousand, one".