43020451230403 has 32 divisors (see below), whose sum is σ = 47476429668864. Its totient is φ = 38814524669952.

The previous prime is 43020451230397. The next prime is 43020451230431. The reversal of 43020451230403 is 30403215402034.

It is a happy number.

43020451230403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43020451230403 - 2⁵ = 43020451230371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43020451530403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12024951 + ... + 15186847.

It is an arithmetic number, because the mean of its divisors is an integer number (1483638427152).

Almost surely, 2^{43020451230403} is an apocalyptic number.

43020451230403 is a deficient number, since it is larger than the sum of its proper divisors (4455978438461).

43020451230403 is a wasteful number, since it uses less digits than its factorization.

43020451230403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162271.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 43020451230403 its reverse (30403215402034), we get a palindrome (73423666632437).

The spelling of 43020451230403 in words is "forty-three trillion, twenty billion, four hundred fifty-one million, two hundred thirty thousand, four hundred three".