1023243023413 has 16 divisors (see below), whose sum is σ = 1131785812080. Its totient is φ = 918964141056.

The previous prime is 1023243023393. The next prime is 1023243023417. The reversal of 1023243023413 is 3143203423201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 448287828849 + 574955194564 = 669543^2 + 758258^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1023243023413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023243023417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20387133 + ... + 20437261.

It is an arithmetic number, because the mean of its divisors is an integer number (70736613255).

Almost surely, 2^{1023243023413} is an apocalyptic number.

1023243023413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1023243023413 is a deficient number, since it is larger than the sum of its proper divisors (108542788667).

1023243023413 is a wasteful number, since it uses less digits than its factorization.

1023243023413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92616.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1023243023413 its reverse (3143203423201), we get a palindrome (4166446446614).

The spelling of 1023243023413 in words is "one trillion, twenty-three billion, two hundred forty-three million, twenty-three thousand, four hundred thirteen".