23303232021 has 8 divisors (see below), whose sum is σ = 31073167840. Its totient is φ = 15534392112.

The previous prime is 23303231983. The next prime is 23303232037. The reversal of 23303232021 is 12023230332.

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

It is not a de Polignac number, because 23303232021 - 2⁶ = 23303231957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303232091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223006 + ... + 310383.

It is an arithmetic number, because the mean of its divisors is an integer number (3884145980).

Almost surely, 2^23303232021 is an apocalyptic number.

It is an amenable number.

23303232021 is a deficient number, since it is larger than the sum of its proper divisors (7769935819).

23303232021 is a wasteful number, since it uses less digits than its factorization.

23303232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547955.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23303232021 its reverse (12023230332), we get a palindrome (35326462353).

The spelling of 23303232021 in words is "twenty-three billion, three hundred three million, two hundred thirty-two thousand, twenty-one".