1243301413023 has 24 divisors (see below), whose sum is σ = 1797827541120. Its totient is φ = 827968965120.

The previous prime is 1243301413019. The next prime is 1243301413027. The reversal of 1243301413023 is 3203141033421.

It is a happy number.

1243301413023 is a `hidden beast` number, since 1 + 24 + 330 + 1 + 4 + 1 + 302 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1243301413019) and next prime (1243301413027).

It is not a de Polignac number, because 1243301413023 - 2² = 1243301413019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243301413027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72347890 + ... + 72365072.

It is an arithmetic number, because the mean of its divisors is an integer number (74909480880).

Almost surely, 2^{1243301413023} is an apocalyptic number.

1243301413023 is a deficient number, since it is larger than the sum of its proper divisors (554526128097).

1243301413023 is a wasteful number, since it uses less digits than its factorization.

1243301413023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25439 (or 25436 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1243301413023 its reverse (3203141033421), we get a palindrome (4446442446444).

The spelling of 1243301413023 in words is "one trillion, two hundred forty-three billion, three hundred one million, four hundred thirteen thousand, twenty-three".