23212230032321 has 4 divisors (see below), whose sum is σ = 25322432762544. Its totient is φ = 21102027302100.

The previous prime is 23212230032309. The next prime is 23212230032393. The reversal of 23212230032321 is 12323003221232.

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 a cyclic number.

It is not a de Polignac number, because 23212230032321 - 2²² = 23212225838017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23212230032821) 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, 1055101365095 + ... + 1055101365116.

It is an arithmetic number, because the mean of its divisors is an integer number (6330608190636).

Almost surely, 2^{23212230032321} is an apocalyptic number.

It is an amenable number.

23212230032321 is a deficient number, since it is larger than the sum of its proper divisors (2110202730223).

23212230032321 is a wasteful number, since it uses less digits than its factorization.

23212230032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110202730222.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 23212230032321 its reverse (12323003221232), we get a palindrome (35535233253553).

The spelling of 23212230032321 in words is "twenty-three trillion, two hundred twelve billion, two hundred thirty million, thirty-two thousand, three hundred twenty-one".