142321452233 has 2 divisors, whose sum is σ = 142321452234. Its totient is φ = 142321452232.

The previous prime is 142321452209. The next prime is 142321452271. The reversal of 142321452233 is 332254123241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134445422224 + 7876030009 = 366668^2 + 88747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142321452233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142321452233.

It is not a weakly prime, because it can be changed into another prime (142321452283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71160726116 + 71160726117.

It is an arithmetic number, because the mean of its divisors is an integer number (71160726117).

Almost surely, 2^142321452233 is an apocalyptic number.

It is an amenable number.

142321452233 is a deficient number, since it is larger than the sum of its proper divisors (1).

142321452233 is an equidigital number, since it uses as much as digits as its factorization.

142321452233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 32.

Adding to 142321452233 its reverse (332254123241), we get a palindrome (474575575474).

The spelling of 142321452233 in words is "one hundred forty-two billion, three hundred twenty-one million, four hundred fifty-two thousand, two hundred thirty-three".