23232230021 has 24 divisors (see below), whose sum is σ = 31429249152. Its totient is φ = 16710487200.

The previous prime is 23232230003. The next prime is 23232230041. The reversal of 23232230021 is 12003223232.

It is not a de Polignac number, because 23232230021 - 2¹⁸ = 23231967877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23232229975 and 23232230002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23232230041) 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 23 ways as a sum of consecutive naturals, for example, 1043945 + ... + 1065966.

It is an arithmetic number, because the mean of its divisors is an integer number (1309552048).

Almost surely, 2^23232230021 is an apocalyptic number.

It is an amenable number.

23232230021 is a deficient number, since it is larger than the sum of its proper divisors (8197019131).

23232230021 is a wasteful number, since it uses less digits than its factorization.

23232230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109953 (or 2109942 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23232230021 its reverse (12003223232), we get a palindrome (35235453253).

The spelling of 23232230021 in words is "twenty-three billion, two hundred thirty-two million, two hundred thirty thousand, twenty-one".