123203132130 has 32 divisors (see below), whose sum is σ = 318432711744. Its totient is φ = 30326924736.

The previous prime is 123203132123. The next prime is 123203132141. The reversal of 123203132130 is 31231302321.

It is a junction number, because it is equal to n+sod(n) for n = 123203132097 and 123203132106.

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, 157952344 + ... + 157953123.

It is an arithmetic number, because the mean of its divisors is an integer number (9951022242).

Almost surely, 2^123203132130 is an apocalyptic number.

123203132130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123203132130 is an abundant number, since it is smaller than the sum of its proper divisors (195229579614).

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

123203132130 is a wasteful number, since it uses less digits than its factorization.

123203132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315905490.

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

Adding to 123203132130 its reverse (31231302321), we get a palindrome (154434434451).

The spelling of 123203132130 in words is "one hundred twenty-three billion, two hundred three million, one hundred thirty-two thousand, one hundred thirty".