342212131423 has 16 divisors (see below), whose sum is σ = 351329172480. Its totient is φ = 333149495616.

The previous prime is 342212131411. The next prime is 342212131463. The reversal of 342212131423 is 324131212243.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342212131423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342212131391 and 342212131400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342212131463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17641936 + ... + 17661322.

It is an arithmetic number, because the mean of its divisors is an integer number (21958073280).

Almost surely, 2^342212131423 is an apocalyptic number.

342212131423 is a deficient number, since it is larger than the sum of its proper divisors (9117041057).

342212131423 is a wasteful number, since it uses less digits than its factorization.

342212131423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20766.

The product of its digits is 6912, while the sum is 28.

Adding to 342212131423 its reverse (324131212243), we get a palindrome (666343343666).

The spelling of 342212131423 in words is "three hundred forty-two billion, two hundred twelve million, one hundred thirty-one thousand, four hundred twenty-three".