20300203132123 has 8 divisors (see below), whose sum is σ = 20392518322800. Its totient is φ = 20207932299648.

The previous prime is 20300203131973. The next prime is 20300203132127. The reversal of 20300203132123 is 32123130200302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20300203132123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20300203132094 and 20300203132103.

It is not an unprimeable number, because it can be changed into a prime (20300203132127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10172013 + ... + 12002926.

It is an arithmetic number, because the mean of its divisors is an integer number (2549064790350).

Almost surely, 2^{20300203132123} is an apocalyptic number.

20300203132123 is a deficient number, since it is larger than the sum of its proper divisors (92315190677).

20300203132123 is a wasteful number, since it uses less digits than its factorization.

20300203132123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22179101.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20300203132123 its reverse (32123130200302), we get a palindrome (52423333332425).

The spelling of 20300203132123 in words is "twenty trillion, three hundred billion, two hundred three million, one hundred thirty-two thousand, one hundred twenty-three".