142343423940077 has 2 divisors, whose sum is σ = 142343423940078. Its totient is φ = 142343423940076.

The previous prime is 142343423940073. The next prime is 142343423940119. The reversal of 142343423940077 is 770049324343241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142326474764356 + 16949175721 = 11930066^2 + 130189^2 .

It is a cyclic number.

It is not a de Polignac number, because 142343423940077 - 2² = 142343423940073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142343423940071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71171711970038 + 71171711970039.

It is an arithmetic number, because the mean of its divisors is an integer number (71171711970039).

Almost surely, 2^{142343423940077} is an apocalyptic number.

It is an amenable number.

142343423940077 is a deficient number, since it is larger than the sum of its proper divisors (1).

142343423940077 is an equidigital number, since it uses as much as digits as its factorization.

142343423940077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12192768, while the sum is 53.

The spelling of 142343423940077 in words is "one hundred forty-two trillion, three hundred forty-three billion, four hundred twenty-three million, nine hundred forty thousand, seventy-seven".