10200131203123 has 4 divisors (see below), whose sum is σ = 10437343556728. Its totient is φ = 9962918849520.

The previous prime is 10200131203063. The next prime is 10200131203189. The reversal of 10200131203123 is 32130213100201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10200131203123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10200131203123.

It is not an unprimeable number, because it can be changed into a prime (10200131200123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118606176738 + ... + 118606176823.

It is an arithmetic number, because the mean of its divisors is an integer number (2609335889182).

Almost surely, 2^{10200131203123} is an apocalyptic number.

10200131203123 is a deficient number, since it is larger than the sum of its proper divisors (237212353605).

10200131203123 is an equidigital number, since it uses as much as digits as its factorization.

10200131203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237212353604.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10200131203123 its reverse (32130213100201), we get a palindrome (42330344303324).

The spelling of 10200131203123 in words is "ten trillion, two hundred billion, one hundred thirty-one million, two hundred three thousand, one hundred twenty-three".