30045323453 has 16 divisors (see below), whose sum is σ = 32251566720. Its totient is φ = 27916612416.

The previous prime is 30045323423. The next prime is 30045323461. The reversal of 30045323453 is 35432354003.

It is a cyclic number.

It is not a de Polignac number, because 30045323453 - 2⁸ = 30045323197 is a prime.

It is a super-2 number, since 2×30045323453² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30045323423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498251 + ... + 555287.

It is an arithmetic number, because the mean of its divisors is an integer number (2015722920).

Almost surely, 2^30045323453 is an apocalyptic number.

It is an amenable number.

30045323453 is a deficient number, since it is larger than the sum of its proper divisors (2206243267).

30045323453 is a wasteful number, since it uses less digits than its factorization.

30045323453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57716.

The product of its (nonzero) digits is 64800, while the sum is 32.

Adding to 30045323453 its reverse (35432354003), we get a palindrome (65477677456).

The spelling of 30045323453 in words is "thirty billion, forty-five million, three hundred twenty-three thousand, four hundred fifty-three".