103120123320 has 192 divisors, whose sum is σ = 347610687840. Its totient is φ = 26490240000.

The previous prime is 103120123307. The next prime is 103120123339. The reversal of 103120123320 is 23321021301.

103120123320 is a `hidden beast` number, since 10 + 312 + 0 + 1 + 23 + 320 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 103120123293 and 103120123302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1306995 + ... + 1383645.

Almost surely, 2^103120123320 is an apocalyptic number.

103120123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103120123320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173805343920).

103120123320 is an abundant number, since it is smaller than the sum of its proper divisors (244490564520).

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

103120123320 is a wasteful number, since it uses less digits than its factorization.

103120123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76806 (or 76799 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 103120123320 its reverse (23321021301), we get a palindrome (126441144621).

The spelling of 103120123320 in words is "one hundred three billion, one hundred twenty million, one hundred twenty-three thousand, three hundred twenty".