20143430403 has 8 divisors (see below), whose sum is σ = 26973178128. Its totient is φ = 13371318144.

The previous prime is 20143430401. The next prime is 20143430467. The reversal of 20143430403 is 30403434102.

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

It is not a de Polignac number, because 20143430403 - 2¹ = 20143430401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20143430401) 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, 14408050 + ... + 14409447.

It is an arithmetic number, because the mean of its divisors is an integer number (3371647266).

Almost surely, 2^20143430403 is an apocalyptic number.

20143430403 is a deficient number, since it is larger than the sum of its proper divisors (6829747725).

20143430403 is a wasteful number, since it uses less digits than its factorization.

20143430403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28817733.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20143430403 its reverse (30403434102), we get a palindrome (50546864505).

The spelling of 20143430403 in words is "twenty billion, one hundred forty-three million, four hundred thirty thousand, four hundred three".