201612423342 has 16 divisors (see below), whose sum is σ = 439881651072. Its totient is φ = 61094673720.

The previous prime is 201612423317. The next prime is 201612423361. The reversal of 201612423342 is 243324216102.

201612423342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527366778 + ... + 1527366909.

It is an arithmetic number, because the mean of its divisors is an integer number (27492603192).

Almost surely, 2^201612423342 is an apocalyptic number.

201612423342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201612423342 is an abundant number, since it is smaller than the sum of its proper divisors (238269227730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201612423342 is a wasteful number, since it uses less digits than its factorization.

201612423342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054733703.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 201612423342 its reverse (243324216102), we get a palindrome (444936639444).

The spelling of 201612423342 in words is "two hundred one billion, six hundred twelve million, four hundred twenty-three thousand, three hundred forty-two".