342471523646 has 16 divisors (see below), whose sum is σ = 617993727360. Its totient is φ = 139048588440.

The previous prime is 342471523643. The next prime is 342471523649. The reversal of 342471523646 is 646325174243.

It is an interprime number because it is at equal distance from previous prime (342471523643) and next prime (342471523649).

It is a self number, because there is not a number n which added to its sum of digits gives 342471523646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342471523643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643743200 + ... + 643743731.

It is an arithmetic number, because the mean of its divisors is an integer number (38624607960).

Almost surely, 2^342471523646 is an apocalyptic number.

342471523646 is a deficient number, since it is larger than the sum of its proper divisors (275522203714).

342471523646 is a wasteful number, since it uses less digits than its factorization.

342471523646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287486959.

The product of its digits is 2903040, while the sum is 47.

Adding to 342471523646 its reverse (646325174243), we get a palindrome (988796697889).

The spelling of 342471523646 in words is "three hundred forty-two billion, four hundred seventy-one million, five hundred twenty-three thousand, six hundred forty-six".