120323123130 has 64 divisors (see below), whose sum is σ = 330384925440. Its totient is φ = 27472779264.

The previous prime is 120323123071. The next prime is 120323123131. The reversal of 120323123130 is 31321323021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120323123097 and 120323123106.

It is not an unprimeable number, because it can be changed into a prime (120323123131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113289 + ... + 503468.

It is an arithmetic number, because the mean of its divisors is an integer number (5162264460).

Almost surely, 2^120323123130 is an apocalyptic number.

120323123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120323123130 is an abundant number, since it is smaller than the sum of its proper divisors (210061802310).

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

120323123130 is a wasteful number, since it uses less digits than its factorization.

120323123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617703.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 120323123130 its reverse (31321323021), we get a palindrome (151644446151).

The spelling of 120323123130 in words is "one hundred twenty billion, three hundred twenty-three million, one hundred twenty-three thousand, one hundred thirty".