1200231023103 has 48 divisors (see below), whose sum is σ = 1994722766400. Its totient is φ = 681225914880.

The previous prime is 1200231023081. The next prime is 1200231023161. The reversal of 1200231023103 is 3013201320021.

1200231023103 is a `hidden beast` number, since 1 + 200 + 231 + 0 + 231 + 0 + 3 = 666.

It is not a de Polignac number, because 1200231023103 - 2⁸ = 1200231022847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200231023183) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5974963 + ... + 6172571.

It is an arithmetic number, because the mean of its divisors is an integer number (41556724300).

Almost surely, 2^{1200231023103} is an apocalyptic number.

1200231023103 is a deficient number, since it is larger than the sum of its proper divisors (794491743297).

1200231023103 is a wasteful number, since it uses less digits than its factorization.

1200231023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198272 (or 198269 counting only the distinct ones).

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

Adding to 1200231023103 its reverse (3013201320021), we get a palindrome (4213432343124).

The spelling of 1200231023103 in words is "one trillion, two hundred billion, two hundred thirty-one million, twenty-three thousand, one hundred three".