120123123330 has 128 divisors (see below), whose sum is σ = 335120265216. Its totient is φ = 26987385600.

The previous prime is 120123123283. The next prime is 120123123347. The reversal of 120123123330 is 33321321021.

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

It is a junction number, because it is equal to n+sod(n) for n = 120123123297 and 120123123306.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25758579 + ... + 25763241.

It is an arithmetic number, because the mean of its divisors is an integer number (2618127072).

Almost surely, 2^120123123330 is an apocalyptic number.

120123123330 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 120123123330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167560132608).

120123123330 is an abundant number, since it is smaller than the sum of its proper divisors (214997141886).

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

120123123330 is a wasteful number, since it uses less digits than its factorization.

120123123330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752.

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

Adding to 120123123330 its reverse (33321321021), we get a palindrome (153444444351).

The spelling of 120123123330 in words is "one hundred twenty billion, one hundred twenty-three million, one hundred twenty-three thousand, three hundred thirty".