123662613135 has 16 divisors (see below), whose sum is σ = 197877936096. Its totient is φ = 65947475328.

The previous prime is 123662613121. The next prime is 123662613149. The reversal of 123662613135 is 531316266321.

It is an interprime number because it is at equal distance from previous prime (123662613121) and next prime (123662613149).

It is not a de Polignac number, because 123662613135 - 2²² = 123658418831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123662613093 and 123662613102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194484 + ... + 533993.

It is an arithmetic number, because the mean of its divisors is an integer number (12367371006).

Almost surely, 2^123662613135 is an apocalyptic number.

123662613135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123662613135 is a deficient number, since it is larger than the sum of its proper divisors (74215322961).

123662613135 is a wasteful number, since it uses less digits than its factorization.

123662613135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739802.

The product of its digits is 116640, while the sum is 39.

Adding to 123662613135 its reverse (531316266321), we get a palindrome (654978879456).

The spelling of 123662613135 in words is "one hundred twenty-three billion, six hundred sixty-two million, six hundred thirteen thousand, one hundred thirty-five".