123101310330 has 128 divisors (see below), whose sum is σ = 344659795200. Its totient is φ = 31221856512.

The previous prime is 123101310313. The next prime is 123101310331. The reversal of 123101310330 is 33013101321.

It is a happy number.

123101310330 is a `hidden beast` number, since 1 + 2 + 310 + 13 + 10 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (123101310331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 407284 + ... + 641936.

It is an arithmetic number, because the mean of its divisors is an integer number (2692654650).

Almost surely, 2^123101310330 is an apocalyptic number.

123101310330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123101310330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172329897600).

123101310330 is an abundant number, since it is smaller than the sum of its proper divisors (221558484870).

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

123101310330 is a wasteful number, since it uses less digits than its factorization.

123101310330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234765 (or 234759 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 123101310330 its reverse (33013101321), we get a palindrome (156114411651).

The spelling of 123101310330 in words is "one hundred twenty-three billion, one hundred one million, three hundred ten thousand, three hundred thirty".