123103202320 has 80 divisors (see below), whose sum is σ = 331709983488. Its totient is φ = 41612336640.

The previous prime is 123103202317. The next prime is 123103202351. The reversal of 123103202320 is 23202301321.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1508319 + ... + 1587838.

Almost surely, 2^123103202320 is an apocalyptic number.

123103202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123103202320 is an abundant number, since it is smaller than the sum of its proper divisors (208606781168).

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

123103202320 is a wasteful number, since it uses less digits than its factorization.

123103202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096248 (or 3096242 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123103202320 its reverse (23202301321), we get a palindrome (146305503641).

Subtracting from 123103202320 its reverse (23202301321), we obtain a palindrome (99900900999).

The spelling of 123103202320 in words is "one hundred twenty-three billion, one hundred three million, two hundred two thousand, three hundred twenty".