123101330156 has 36 divisors (see below), whose sum is σ = 251197392600. Its totient is φ = 52631764416.

The previous prime is 123101330123. The next prime is 123101330159. The reversal of 123101330156 is 651033101321.

It is not an unprimeable number, because it can be changed into a prime (123101330159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667361 + ... + 831608.

It is an arithmetic number, because the mean of its divisors is an integer number (6977705350).

Almost surely, 2^123101330156 is an apocalyptic number.

It is an amenable number.

123101330156 is an abundant number, since it is smaller than the sum of its proper divisors (128096062444).

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

123101330156 is a wasteful number, since it uses less digits than its factorization.

123101330156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499406 (or 1499397 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 123101330156 its reverse (651033101321), we get a palindrome (774134431477).

The spelling of 123101330156 in words is "one hundred twenty-three billion, one hundred one million, three hundred thirty thousand, one hundred fifty-six".