123035320112 has 40 divisors (see below), whose sum is σ = 252152846304. Its totient is φ = 58036898304.

The previous prime is 123035320099. The next prime is 123035320123. The reversal of 123035320112 is 211023530321.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 2263103 + ... + 2316830.

Almost surely, 2^123035320112 is an apocalyptic number.

It is an amenable number.

123035320112 is an abundant number, since it is smaller than the sum of its proper divisors (129117526192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123035320112 is a wasteful number, since it uses less digits than its factorization.

123035320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580037 (or 4580031 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 123035320112 its reverse (211023530321), we get a palindrome (334058850433).

The spelling of 123035320112 in words is "one hundred twenty-three billion, thirty-five million, three hundred twenty thousand, one hundred twelve".