142321522351 has 2 divisors, whose sum is σ = 142321522352. Its totient is φ = 142321522350.

The previous prime is 142321522349. The next prime is 142321522423. The reversal of 142321522351 is 153225123241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142321522351 - 2¹ = 142321522349 is a prime.

Together with 142321522349, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142321522331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71160761175 + 71160761176.

It is an arithmetic number, because the mean of its divisors is an integer number (71160761176).

Almost surely, 2^142321522351 is an apocalyptic number.

142321522351 is a deficient number, since it is larger than the sum of its proper divisors (1).

142321522351 is an equidigital number, since it uses as much as digits as its factorization.

142321522351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

Adding to 142321522351 its reverse (153225123241), we get a palindrome (295546645592).

The spelling of 142321522351 in words is "one hundred forty-two billion, three hundred twenty-one million, five hundred twenty-two thousand, three hundred fifty-one".