142323334550021 has 2 divisors, whose sum is σ = 142323334550022. Its totient is φ = 142323334550020.

The previous prime is 142323334549997. The next prime is 142323334550029. The reversal of 142323334550021 is 120055433323241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137367541752100 + 4955792797921 = 11720390^2 + 2226161^2 .

It is a cyclic number.

It is not a de Polignac number, because 142323334550021 - 2¹⁴ = 142323334533637 is a prime.

It is a super-2 number, since 2×142323334550021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142323334550029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71161667275010 + 71161667275011.

It is an arithmetic number, because the mean of its divisors is an integer number (71161667275011).

Almost surely, 2^{142323334550021} is an apocalyptic number.

It is an amenable number.

142323334550021 is a deficient number, since it is larger than the sum of its proper divisors (1).

142323334550021 is an equidigital number, since it uses as much as digits as its factorization.

142323334550021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 142323334550021 its reverse (120055433323241), we get a palindrome (262378767873262).

The spelling of 142323334550021 in words is "one hundred forty-two trillion, three hundred twenty-three billion, three hundred thirty-four million, five hundred fifty thousand, twenty-one".