342202123 has 2 divisors, whose sum is σ = 342202124. Its totient is φ = 342202122.

The previous prime is 342202109. The next prime is 342202139. The reversal of 342202123 is 321202243.

It is a weak prime.

It is an emirp because it is prime and its reverse (321202243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342202123 - 2²¹ = 340104971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342202123.

It is not a weakly prime, because it can be changed into another prime (342209123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171101061 + 171101062.

It is an arithmetic number, because the mean of its divisors is an integer number (171101062).

Almost surely, 2^342202123 is an apocalyptic number.

342202123 is a deficient number, since it is larger than the sum of its proper divisors (1).

342202123 is an equidigital number, since it uses as much as digits as its factorization.

342202123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 342202123 is about 18498.7059817707. The cubic root of 342202123 is about 699.4568051244.

Adding to 342202123 its reverse (321202243), we get a palindrome (663404366).

The spelling of 342202123 in words is "three hundred forty-two million, two hundred two thousand, one hundred twenty-three".