23110201330421 has 2 divisors, whose sum is σ = 23110201330422. Its totient is φ = 23110201330420.

The previous prime is 23110201330397. The next prime is 23110201330453. The reversal of 23110201330421 is 12403310201132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11707517640625 + 11402683689796 = 3421625^2 + 3376786^2 .

It is a cyclic number.

It is not a de Polignac number, because 23110201330421 - 2²⁶ = 23110134221557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23110201330121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555100665210 + 11555100665211.

It is an arithmetic number, because the mean of its divisors is an integer number (11555100665211).

Almost surely, 2^{23110201330421} is an apocalyptic number.

It is an amenable number.

23110201330421 is a deficient number, since it is larger than the sum of its proper divisors (1).

23110201330421 is an equidigital number, since it uses as much as digits as its factorization.

23110201330421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 23110201330421 its reverse (12403310201132), we get a palindrome (35513511531553).

The spelling of 23110201330421 in words is "twenty-three trillion, one hundred ten billion, two hundred one million, three hundred thirty thousand, four hundred twenty-one".