23212454400321 has 4 divisors (see below), whose sum is σ = 30949939200432. Its totient is φ = 15474969600212.

The previous prime is 23212454400307. The next prime is 23212454400347. The reversal of 23212454400321 is 12300445421232.

It is a happy number.

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 23212454400321 - 2⁴² = 18814407889217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23212454400221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3868742400051 + ... + 3868742400056.

It is an arithmetic number, because the mean of its divisors is an integer number (7737484800108).

Almost surely, 2^{23212454400321} is an apocalyptic number.

It is an amenable number.

23212454400321 is a deficient number, since it is larger than the sum of its proper divisors (7737484800111).

23212454400321 is an equidigital number, since it uses as much as digits as its factorization.

23212454400321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7737484800110.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 23212454400321 its reverse (12300445421232), we get a palindrome (35512899821553).

The spelling of 23212454400321 in words is "twenty-three trillion, two hundred twelve billion, four hundred fifty-four million, four hundred thousand, three hundred twenty-one".