342503420177 has 2 divisors, whose sum is σ = 342503420178. Its totient is φ = 342503420176.

The previous prime is 342503420159. The next prime is 342503420183. The reversal of 342503420177 is 771024305243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314103081601 + 28400338576 = 560449^2 + 168524^2 .

It is an emirp because it is prime and its reverse (771024305243) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342503420177 is a prime.

It is a super-2 number, since 2×342503420177² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 342503420177.

It is not a weakly prime, because it can be changed into another prime (342503420977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171251710088 + 171251710089.

It is an arithmetic number, because the mean of its divisors is an integer number (171251710089).

Almost surely, 2^342503420177 is an apocalyptic number.

It is an amenable number.

342503420177 is a deficient number, since it is larger than the sum of its proper divisors (1).

342503420177 is an equidigital number, since it uses as much as digits as its factorization.

342503420177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 342503420177 in words is "three hundred forty-two billion, five hundred three million, four hundred twenty thousand, one hundred seventy-seven".