23301144030421 has 2 divisors, whose sum is σ = 23301144030422. Its totient is φ = 23301144030420.

The previous prime is 23301144030401. The next prime is 23301144030449. The reversal of 23301144030421 is 12403044110332.

It is a happy number.

It is an a-pointer prime, because the next prime (23301144030449) can be obtained adding 23301144030421 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19507336057521 + 3793807972900 = 4416711^2 + 1947770^2 .

It is a cyclic number.

It is not a de Polignac number, because 23301144030421 - 2³⁹ = 22751388216533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23301144030421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23301144030401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11650572015210 + 11650572015211.

It is an arithmetic number, because the mean of its divisors is an integer number (11650572015211).

Almost surely, 2^{23301144030421} is an apocalyptic number.

It is an amenable number.

23301144030421 is a deficient number, since it is larger than the sum of its proper divisors (1).

23301144030421 is an equidigital number, since it uses as much as digits as its factorization.

23301144030421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 23301144030421 its reverse (12403044110332), we get a palindrome (35704188140753).

The spelling of 23301144030421 in words is "twenty-three trillion, three hundred one billion, one hundred forty-four million, thirty thousand, four hundred twenty-one".