20243323443412 has 6 divisors (see below), whose sum is σ = 35425816025978. Its totient is φ = 10121661721704.

The previous prime is 20243323443401. The next prime is 20243323443433. The reversal of 20243323443412 is 21434432334202.

It can be written as a sum of positive squares in only one way, i.e., 18224326848016 + 2018996595396 = 4268996^2 + 1420914^2 .

It is a super-3 number, since 3×20243323443412³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530415430423 + ... + 2530415430430.

Almost surely, 2^{20243323443412} is an apocalyptic number.

It is an amenable number.

20243323443412 is a deficient number, since it is larger than the sum of its proper divisors (15182492582566).

20243323443412 is a wasteful number, since it uses less digits than its factorization.

20243323443412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060830860857 (or 5060830860855 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 20243323443412 its reverse (21434432334202), we get a palindrome (41677755777614).

The spelling of 20243323443412 in words is "twenty trillion, two hundred forty-three billion, three hundred twenty-three million, four hundred forty-three thousand, four hundred twelve".