123216363635 has 8 divisors (see below), whose sum is σ = 148494228480. Its totient is φ = 98150029504.

The previous prime is 123216363631. The next prime is 123216363643. The reversal of 123216363635 is 536363612321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123216363635 - 2² = 123216363631 is a prime.

It is a super-3 number, since 3×123216363635³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123216363592 and 123216363601.

It is not an unprimeable number, because it can be changed into a prime (123216363631) 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, 52881395 + ... + 52883724.

It is an arithmetic number, because the mean of its divisors is an integer number (18561778560).

Almost surely, 2^123216363635 is an apocalyptic number.

123216363635 is a deficient number, since it is larger than the sum of its proper divisors (25277864845).

123216363635 is a wasteful number, since it uses less digits than its factorization.

123216363635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105765357.

The product of its digits is 349920, while the sum is 41.

Adding to 123216363635 its reverse (536363612321), we get a palindrome (659579975956).

The spelling of 123216363635 in words is "one hundred twenty-three billion, two hundred sixteen million, three hundred sixty-three thousand, six hundred thirty-five".