1023320200312 has 16 divisors (see below), whose sum is σ = 1921559544360. Its totient is φ = 510904321824.

The previous prime is 1023320200297. The next prime is 1023320200313. The reversal of 1023320200312 is 2130020233201.

It is a self number, because there is not a number n which added to its sum of digits gives 1023320200312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023320200313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94466538 + ... + 94477369.

Almost surely, 2^{1023320200312} is an apocalyptic number.

It is an amenable number.

1023320200312 is a deficient number, since it is larger than the sum of its proper divisors (898239344048).

1023320200312 is a wasteful number, since it uses less digits than its factorization.

1023320200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188944590 (or 188944586 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1023320200312 its reverse (2130020233201), we get a palindrome (3153340433513).

The spelling of 1023320200312 in words is "one trillion, twenty-three billion, three hundred twenty million, two hundred thousand, three hundred twelve".