20343123410 has 8 divisors (see below), whose sum is σ = 36617622156. Its totient is φ = 8137249360.

The previous prime is 20343123403. The next prime is 20343123413. The reversal of 20343123410 is 1432134302.

It can be written as a sum of positive squares in 2 ways, for example, as 20289438481 + 53684929 = 142441^2 + 7327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20343123413) 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 3 ways as a sum of consecutive naturals, for example, 1017156161 + ... + 1017156180.

Almost surely, 2^20343123410 is an apocalyptic number.

20343123410 is a deficient number, since it is larger than the sum of its proper divisors (16274498746).

20343123410 is a wasteful number, since it uses less digits than its factorization.

20343123410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034312348.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20343123410 its reverse (1432134302), we get a palindrome (21775257712).

The spelling of 20343123410 in words is "twenty billion, three hundred forty-three million, one hundred twenty-three thousand, four hundred ten".