342001012123 has 2 divisors, whose sum is σ = 342001012124. Its totient is φ = 342001012122.

The previous prime is 342001012069. The next prime is 342001012139. The reversal of 342001012123 is 321210100243.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342001012123 - 2¹³ = 342001003931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342001012123.

It is not a weakly prime, because it can be changed into another prime (342001012153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171000506061 + 171000506062.

It is an arithmetic number, because the mean of its divisors is an integer number (171000506062).

Almost surely, 2^342001012123 is an apocalyptic number.

342001012123 is a deficient number, since it is larger than the sum of its proper divisors (1).

342001012123 is an equidigital number, since it uses as much as digits as its factorization.

342001012123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 342001012123 its reverse (321210100243), we get a palindrome (663211112366).

The spelling of 342001012123 in words is "three hundred forty-two billion, one million, twelve thousand, one hundred twenty-three".