23220220412401 has 4 divisors (see below), whose sum is σ = 23220669832612. Its totient is φ = 23219770992192.

The previous prime is 23220220412293. The next prime is 23220220412413. The reversal of 23220220412401 is 10421402202232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11900595676176 + 11319624736225 = 3449724^2 + 3364465^2 .

It is a cyclic number.

It is not a de Polignac number, because 23220220412401 - 2⁹ = 23220220411889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23220220412201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224632596 + ... + 224735941.

It is an arithmetic number, because the mean of its divisors is an integer number (5805167458153).

Almost surely, 2^{23220220412401} is an apocalyptic number.

It is an amenable number.

23220220412401 is a deficient number, since it is larger than the sum of its proper divisors (449420211).

23220220412401 is an equidigital number, since it uses as much as digits as its factorization.

23220220412401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449420210.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 23220220412401 its reverse (10421402202232), we get a palindrome (33641622614633).

The spelling of 23220220412401 in words is "twenty-three trillion, two hundred twenty billion, two hundred twenty million, four hundred twelve thousand, four hundred one".