1012431440223 has 80 divisors (see below), whose sum is σ = 1772601600000. Its totient is φ = 575621910864.

The previous prime is 1012431440219. The next prime is 1012431440243. The reversal of 1012431440223 is 3220441342101.

1012431440223 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 431 + 4 + 4 + 0 + 223 = 666.

It is not a de Polignac number, because 1012431440223 - 2² = 1012431440219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012431440243) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5437258 + ... + 5620376.

It is an arithmetic number, because the mean of its divisors is an integer number (22157520000).

Almost surely, 2^{1012431440223} is an apocalyptic number.

1012431440223 is a deficient number, since it is larger than the sum of its proper divisors (760170159777).

1012431440223 is an equidigital number, since it uses as much as digits as its factorization.

1012431440223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183351 (or 183328 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1012431440223 its reverse (3220441342101), we get a palindrome (4232872782324).

The spelling of 1012431440223 in words is "one trillion, twelve billion, four hundred thirty-one million, four hundred forty thousand, two hundred twenty-three".