123153145135 has 8 divisors (see below), whose sum is σ = 156476937456. Its totient is φ = 92727073920.

The previous prime is 123153145123. The next prime is 123153145163. The reversal of 123153145135 is 531541351321.

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

It is not a de Polignac number, because 123153145135 - 2⁵ = 123153145103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123153145135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724430181 + ... + 724430350.

It is an arithmetic number, because the mean of its divisors is an integer number (19559617182).

Almost surely, 2^123153145135 is an apocalyptic number.

123153145135 is a deficient number, since it is larger than the sum of its proper divisors (33323792321).

123153145135 is a wasteful number, since it uses less digits than its factorization.

123153145135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448860553.

The product of its digits is 27000, while the sum is 34.

Adding to 123153145135 its reverse (531541351321), we get a palindrome (654694496456).

The spelling of 123153145135 in words is "one hundred twenty-three billion, one hundred fifty-three million, one hundred forty-five thousand, one hundred thirty-five".