23224254220421 has 8 divisors (see below), whose sum is σ = 23666974943904. Its totient is φ = 22781701172880.

The previous prime is 23224254220373. The next prime is 23224254220423. The reversal of 23224254220421 is 12402245242232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23224254220421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23224254220423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41639315 + ... + 42193376.

It is an arithmetic number, because the mean of its divisors is an integer number (2958371867988).

Almost surely, 2^{23224254220421} is an apocalyptic number.

It is an amenable number.

23224254220421 is a deficient number, since it is larger than the sum of its proper divisors (442720723483).

23224254220421 is an equidigital number, since it uses as much as digits as its factorization.

23224254220421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83837971.

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 23224254220421 its reverse (12402245242232), we get a palindrome (35626499462653).

The spelling of 23224254220421 in words is "twenty-three trillion, two hundred twenty-four billion, two hundred fifty-four million, two hundred twenty thousand, four hundred twenty-one".