123663000135 has 32 divisors (see below), whose sum is σ = 202760978112. Its totient is φ = 64321387520.

The previous prime is 123663000121. The next prime is 123663000143. The reversal of 123663000135 is 531000366321.

It is a happy number.

It is not a de Polignac number, because 123663000135 - 2⁵ = 123663000103 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1709317 + ... + 1780193.

It is an arithmetic number, because the mean of its divisors is an integer number (6336280566).

Almost surely, 2^123663000135 is an apocalyptic number.

123663000135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123663000135 is a deficient number, since it is larger than the sum of its proper divisors (79097977977).

123663000135 is a wasteful number, since it uses less digits than its factorization.

123663000135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73763.

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 123663000135 its reverse (531000366321), we get a palindrome (654663366456).

The spelling of 123663000135 in words is "one hundred twenty-three billion, six hundred sixty-three million, one hundred thirty-five", and thus it is an aban number.