43403420423 has 8 divisors (see below), whose sum is σ = 47555953680. Its totient is φ = 39285348480.

The previous prime is 43403420413. The next prime is 43403420461. The reversal of 43403420423 is 32402430434.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43403420423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43403420413) 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, 8612690 + ... + 8617727.

It is an arithmetic number, because the mean of its divisors is an integer number (5944494210).

Almost surely, 2^43403420423 is an apocalyptic number.

43403420423 is a deficient number, since it is larger than the sum of its proper divisors (4152533257).

43403420423 is a wasteful number, since it uses less digits than its factorization.

43403420423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17230657.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 43403420423 its reverse (32402430434), we get a palindrome (75805850857).

The spelling of 43403420423 in words is "forty-three billion, four hundred three million, four hundred twenty thousand, four hundred twenty-three".