123622543117 has 16 divisors (see below), whose sum is σ = 136643075712. Its totient is φ = 111245009920.

The previous prime is 123622543069. The next prime is 123622543123. The reversal of 123622543117 is 711345226321.

It is a cyclic number.

It is not a de Polignac number, because 123622543117 - 2¹¹ = 123622541069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123622543147) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 879642 + ... + 1010452.

It is an arithmetic number, because the mean of its divisors is an integer number (8540192232).

Almost surely, 2^123622543117 is an apocalyptic number.

123622543117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

123622543117 is a deficient number, since it is larger than the sum of its proper divisors (13020532595).

123622543117 is a wasteful number, since it uses less digits than its factorization.

123622543117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133268.

The product of its digits is 60480, while the sum is 37.

Adding to 123622543117 its reverse (711345226321), we get a palindrome (834967769438).

The spelling of 123622543117 in words is "one hundred twenty-three billion, six hundred twenty-two million, five hundred forty-three thousand, one hundred seventeen".