103203143120 has 160 divisors (see below), whose sum is σ = 299620823040. Its totient is φ = 32117137920.

The previous prime is 103203143107. The next prime is 103203143123. The reversal of 103203143120 is 21341302301.

103203143120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 103203143092 and 103203143101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103203143123) 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, 4046729 + ... + 4072151.

It is an arithmetic number, because the mean of its divisors is an integer number (1872630144).

Almost surely, 2^103203143120 is an apocalyptic number.

103203143120 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 103203143120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149810411520).

103203143120 is an abundant number, since it is smaller than the sum of its proper divisors (196417679920).

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

103203143120 is a wasteful number, since it uses less digits than its factorization.

103203143120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26113 (or 26107 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 103203143120 its reverse (21341302301), we get a palindrome (124544445421).

The spelling of 103203143120 in words is "one hundred three billion, two hundred three million, one hundred forty-three thousand, one hundred twenty".