23421212141 has 2 divisors, whose sum is σ = 23421212142. Its totient is φ = 23421212140.

The previous prime is 23421212083. The next prime is 23421212159. The reversal of 23421212141 is 14121212432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23158448041 + 262764100 = 152179^2 + 16210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23421212141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23421215141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710606070 + 11710606071.

It is an arithmetic number, because the mean of its divisors is an integer number (11710606071).

Almost surely, 2^23421212141 is an apocalyptic number.

It is an amenable number.

23421212141 is a deficient number, since it is larger than the sum of its proper divisors (1).

23421212141 is an equidigital number, since it uses as much as digits as its factorization.

23421212141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 23.

Adding to 23421212141 its reverse (14121212432), we get a palindrome (37542424573).

The spelling of 23421212141 in words is "twenty-three billion, four hundred twenty-one million, two hundred twelve thousand, one hundred forty-one".