1231200230223 has 32 divisors (see below), whose sum is σ = 1752761203200. Its totient is φ = 766463040000.

The previous prime is 1231200230203. The next prime is 1231200230233. The reversal of 1231200230223 is 3220320021321.

It is a happy number.

It is not a de Polignac number, because 1231200230223 - 2¹⁰ = 1231200229199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1231200230223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231200230203) 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, 17808723 + ... + 17877723.

It is an arithmetic number, because the mean of its divisors is an integer number (54773787600).

Almost surely, 2^{1231200230223} is an apocalyptic number.

1231200230223 is a deficient number, since it is larger than the sum of its proper divisors (521560972977).

1231200230223 is a wasteful number, since it uses less digits than its factorization.

1231200230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73503.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1231200230223 its reverse (3220320021321), we get a palindrome (4451520251544).

The spelling of 1231200230223 in words is "one trillion, two hundred thirty-one billion, two hundred million, two hundred thirty thousand, two hundred twenty-three".