23224401421321 has 4 divisors (see below), whose sum is σ = 23230012539600. Its totient is φ = 23218790303044.

The previous prime is 23224401421301. The next prime is 23224401421339. The reversal of 23224401421321 is 12312410442232.

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 23224401421321 - 2⁵ = 23224401421289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23224401421301) 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, 2805552931 + ... + 2805561208.

It is an arithmetic number, because the mean of its divisors is an integer number (5807503134900).

Almost surely, 2^{23224401421321} is an apocalyptic number.

It is an amenable number.

23224401421321 is a deficient number, since it is larger than the sum of its proper divisors (5611118279).

23224401421321 is an equidigital number, since it uses as much as digits as its factorization.

23224401421321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611118278.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 23224401421321 its reverse (12312410442232), we get a palindrome (35536811863553).

The spelling of 23224401421321 in words is "twenty-three trillion, two hundred twenty-four billion, four hundred one million, four hundred twenty-one thousand, three hundred twenty-one".