23232303021 has 4 divisors (see below), whose sum is σ = 30976404032. Its totient is φ = 15488202012.

The previous prime is 23232303019. The next prime is 23232303041. The reversal of 23232303021 is 12030323232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23232303021 - 2¹ = 23232303019 is a prime.

It is a super-3 number, since 3×23232303021³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23232303041) 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, 3872050501 + ... + 3872050506.

It is an arithmetic number, because the mean of its divisors is an integer number (7744101008).

Almost surely, 2^23232303021 is an apocalyptic number.

It is an amenable number.

23232303021 is a deficient number, since it is larger than the sum of its proper divisors (7744101011).

23232303021 is an equidigital number, since it uses as much as digits as its factorization.

23232303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7744101010.

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

Adding to 23232303021 its reverse (12030323232), we get a palindrome (35262626253).

The spelling of 23232303021 in words is "twenty-three billion, two hundred thirty-two million, three hundred three thousand, twenty-one".