142433523025421 has 2 divisors, whose sum is σ = 142433523025422. Its totient is φ = 142433523025420.

The previous prime is 142433523025399. The next prime is 142433523025429. The reversal of 142433523025421 is 124520325334241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115407966696100 + 27025556329321 = 10742810^2 + 5198611^2 .

It is an emirp because it is prime and its reverse (124520325334241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142433523025421 - 2¹⁸ = 142433522763277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142433523025429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71216761512710 + 71216761512711.

It is an arithmetic number, because the mean of its divisors is an integer number (71216761512711).

Almost surely, 2^{142433523025421} is an apocalyptic number.

It is an amenable number.

142433523025421 is a deficient number, since it is larger than the sum of its proper divisors (1).

142433523025421 is an equidigital number, since it uses as much as digits as its factorization.

142433523025421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 142433523025421 its reverse (124520325334241), we get a palindrome (266953848359662).

The spelling of 142433523025421 in words is "one hundred forty-two trillion, four hundred thirty-three billion, five hundred twenty-three million, twenty-five thousand, four hundred twenty-one".