1000231023203 has 4 divisors (see below), whose sum is σ = 1003765408728. Its totient is φ = 996696637680.

The previous prime is 1000231023199. The next prime is 1000231023217. The reversal of 1000231023203 is 3023201320001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000231023203 - 2² = 1000231023199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000231023223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767192338 + ... + 1767192903.

It is an arithmetic number, because the mean of its divisors is an integer number (250941352182).

Almost surely, 2^{1000231023203} is an apocalyptic number.

1000231023203 is a deficient number, since it is larger than the sum of its proper divisors (3534385525).

1000231023203 is an equidigital number, since it uses as much as digits as its factorization.

1000231023203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534385524.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1000231023203 its reverse (3023201320001), we get a palindrome (4023432343204).

The spelling of 1000231023203 in words is "one trillion, two hundred thirty-one million, twenty-three thousand, two hundred three".