20030123405343 has 8 divisors (see below), whose sum is σ = 26732735024256. Its totient is φ = 13340463695000.

The previous prime is 20030123405333. The next prime is 20030123405351. The reversal of 20030123405343 is 34350432103002.

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

It is a cyclic number.

It is not a de Polignac number, because 20030123405343 - 2⁵ = 20030123405311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20030123405343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030123405333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3237973533 + ... + 3237979718.

It is an arithmetic number, because the mean of its divisors is an integer number (3341591878032).

Almost surely, 2^{20030123405343} is an apocalyptic number.

20030123405343 is a deficient number, since it is larger than the sum of its proper divisors (6702611618913).

20030123405343 is a wasteful number, since it uses less digits than its factorization.

20030123405343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6475954285.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 20030123405343 its reverse (34350432103002), we get a palindrome (54380555508345).

The spelling of 20030123405343 in words is "twenty trillion, thirty billion, one hundred twenty-three million, four hundred five thousand, three hundred forty-three".