123011330032 has 20 divisors (see below), whose sum is σ = 250878371080. Its totient is φ = 58268524608.

The previous prime is 123011330003. The next prime is 123011330059. The reversal of 123011330032 is 230033110321.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 123011329991 and 123011330009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202320963 + ... + 202321570.

It is an arithmetic number, because the mean of its divisors is an integer number (12543918554).

Almost surely, 2^123011330032 is an apocalyptic number.

It is an amenable number.

123011330032 is an abundant number, since it is smaller than the sum of its proper divisors (127867041048).

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

123011330032 is a wasteful number, since it uses less digits than its factorization.

123011330032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404642560 (or 404642554 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123011330032 its reverse (230033110321), we get a palindrome (353044440353).

The spelling of 123011330032 in words is "one hundred twenty-three billion, eleven million, three hundred thirty thousand, thirty-two".