23301203200421 has 4 divisors (see below), whose sum is σ = 23307207121644. Its totient is φ = 23295199279200.

The previous prime is 23301203200367. The next prime is 23301203200427. The reversal of 23301203200421 is 12400230210332.

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 6732151540321 + 16569051660100 = 2594639^2 + 4070510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23301203200421 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 (23301203200427) 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, 3001954790 + ... + 3001962551.

It is an arithmetic number, because the mean of its divisors is an integer number (5826801780411).

Almost surely, 2^{23301203200421} is an apocalyptic number.

It is an amenable number.

23301203200421 is a deficient number, since it is larger than the sum of its proper divisors (6003921223).

23301203200421 is an equidigital number, since it uses as much as digits as its factorization.

23301203200421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6003921222.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23301203200421 its reverse (12400230210332), we get a palindrome (35701433410753).

The spelling of 23301203200421 in words is "twenty-three trillion, three hundred one billion, two hundred three million, two hundred thousand, four hundred twenty-one".