1024432320403 has 4 divisors (see below), whose sum is σ = 1046228752800. Its totient is φ = 1002635888008.

The previous prime is 1024432320389. The next prime is 1024432320409. The reversal of 1024432320403 is 3040232344201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1024432320403 - 2²¹ = 1024430223251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1024432320409) 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 3 ways as a sum of consecutive naturals, for example, 10898216128 + ... + 10898216221.

It is an arithmetic number, because the mean of its divisors is an integer number (261557188200).

Almost surely, 2^{1024432320403} is an apocalyptic number.

1024432320403 is a deficient number, since it is larger than the sum of its proper divisors (21796432397).

1024432320403 is an equidigital number, since it uses as much as digits as its factorization.

1024432320403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21796432396.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1024432320403 its reverse (3040232344201), we get a palindrome (4064664664604).

The spelling of 1024432320403 in words is "one trillion, twenty-four billion, four hundred thirty-two million, three hundred twenty thousand, four hundred three".