23403221001 has 16 divisors (see below), whose sum is σ = 35159771520. Its totient is φ = 15382397520.

The previous prime is 23403220999. The next prime is 23403221033. The reversal of 23403221001 is 10012230432.

23403221001 is a `hidden beast` number, since 2 + 340 + 322 + 1 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 23403221001 - 2¹ = 23403220999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23403221201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6102210 + ... + 6106043.

It is an arithmetic number, because the mean of its divisors is an integer number (2197485720).

Almost surely, 2^23403221001 is an apocalyptic number.

It is an amenable number.

23403221001 is a deficient number, since it is larger than the sum of its proper divisors (11756550519).

23403221001 is a wasteful number, since it uses less digits than its factorization.

23403221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12208333 (or 12208327 counting only the distinct ones).

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

Adding to 23403221001 its reverse (10012230432), we get a palindrome (33415451433).

The spelling of 23403221001 in words is "twenty-three billion, four hundred three million, two hundred twenty-one thousand, one".