20130132123 has 32 divisors (see below), whose sum is σ = 32665550400. Its totient is φ = 12195122688.

The previous prime is 20130132119. The next prime is 20130132149. The reversal of 20130132123 is 32123103102.

20130132123 is a `hidden beast` number, since 20 + 1 + 301 + 321 + 23 = 666.

It is not a de Polignac number, because 20130132123 - 2² = 20130132119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20130132096 and 20130132105.

It is not an unprimeable number, because it can be changed into a prime (20130132023) 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, 742836 + ... + 769457.

It is an arithmetic number, because the mean of its divisors is an integer number (1020798450).

Almost surely, 2^20130132123 is an apocalyptic number.

20130132123 is a deficient number, since it is larger than the sum of its proper divisors (12535418277).

20130132123 is a wasteful number, since it uses less digits than its factorization.

20130132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512348 (or 1512342 counting only the distinct ones).

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

Adding to 20130132123 its reverse (32123103102), we get a palindrome (52253235225).

The spelling of 20130132123 in words is "twenty billion, one hundred thirty million, one hundred thirty-two thousand, one hundred twenty-three".