30503011430023 has 16 divisors (see below), whose sum is σ = 33353879715072. Its totient is φ = 27665159760000.

The previous prime is 30503011429997. The next prime is 30503011430039. The reversal of 30503011430023 is 32003411030503.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30503011430023 is a prime.

It is a super-2 number, since 2×30503011430023² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30503011430023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30503011430053) 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 15 ways as a sum of consecutive naturals, for example, 14807743 + ... + 16741423.

It is an arithmetic number, because the mean of its divisors is an integer number (2084617482192).

Almost surely, 2^{30503011430023} is an apocalyptic number.

30503011430023 is a deficient number, since it is larger than the sum of its proper divisors (2850868285049).

30503011430023 is a wasteful number, since it uses less digits than its factorization.

30503011430023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937046.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 30503011430023 its reverse (32003411030503), we get a palindrome (62506422460526).

The spelling of 30503011430023 in words is "thirty trillion, five hundred three billion, eleven million, four hundred thirty thousand, twenty-three".