1023343243209 has 24 divisors (see below), whose sum is σ = 1689475453952. Its totient is φ = 584716708800.

The previous prime is 1023343243207. The next prime is 1023343243217. The reversal of 1023343243209 is 9023423433201.

1023343243209 is a `hidden beast` number, since 1 + 0 + 2 + 3 + 3 + 4 + 324 + 320 + 9 = 666.

It is not a de Polignac number, because 1023343243209 - 2¹ = 1023343243207 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1023343243207) 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 23 ways as a sum of consecutive naturals, for example, 29784 + ... + 1430934.

Almost surely, 2^{1023343243209} is an apocalyptic number.

It is an amenable number.

1023343243209 is a deficient number, since it is larger than the sum of its proper divisors (666132210743).

1023343243209 is a wasteful number, since it uses less digits than its factorization.

1023343243209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412757 (or 1412754 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The spelling of 1023343243209 in words is "one trillion, twenty-three billion, three hundred forty-three million, two hundred forty-three thousand, two hundred nine".