23101330432421 has 4 divisors (see below), whose sum is σ = 23139016127052. Its totient is φ = 23063644737792.

The previous prime is 23101330432391. The next prime is 23101330432441. The reversal of 23101330432421 is 12423403310132.

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 2255613496900 + 20845716935521 = 1501870^2 + 4565711^2 .

It is a cyclic number.

It is not a de Polignac number, because 23101330432421 - 2⁶ = 23101330432357 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 (23101330432441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18842846396 + ... + 18842847621.

It is an arithmetic number, because the mean of its divisors is an integer number (5784754031763).

Almost surely, 2^{23101330432421} is an apocalyptic number.

It is an amenable number.

23101330432421 is a deficient number, since it is larger than the sum of its proper divisors (37685694631).

23101330432421 is an equidigital number, since it uses as much as digits as its factorization.

23101330432421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37685694630.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 23101330432421 its reverse (12423403310132), we get a palindrome (35524733742553).

The spelling of 23101330432421 in words is "twenty-three trillion, one hundred one billion, three hundred thirty million, four hundred thirty-two thousand, four hundred twenty-one".