123606343623 has 16 divisors (see below), whose sum is σ = 188359109120. Its totient is φ = 70629726816.

The previous prime is 123606343621. The next prime is 123606343643. The reversal of 123606343623 is 326343606321.

It is not a de Polignac number, because 123606343623 - 2¹ = 123606343621 is a prime.

It is a super-2 number, since 2×123606343623² (a number of 23 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123606343621) 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, 635133 + ... + 806601.

It is an arithmetic number, because the mean of its divisors is an integer number (11772444320).

Almost surely, 2^123606343623 is an apocalyptic number.

123606343623 is a deficient number, since it is larger than the sum of its proper divisors (64752765497).

123606343623 is a wasteful number, since it uses less digits than its factorization.

123606343623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205806.

The product of its (nonzero) digits is 279936, while the sum is 39.

Adding to 123606343623 its reverse (326343606321), we get a palindrome (449949949944).

The spelling of 123606343623 in words is "one hundred twenty-three billion, six hundred six million, three hundred forty-three thousand, six hundred twenty-three".