30423443004431 has 8 divisors (see below), whose sum is σ = 31748988134880. Its totient is φ = 29098130102272.

The previous prime is 30423443004413. The next prime is 30423443004509. The reversal of 30423443004431 is 13440034432403.

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-30423443004431 is a prime.

It is a super-2 number, since 2×30423443004431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30423443004391 and 30423443004400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30423443001431) 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, 57789326 + ... + 58313403.

It is an arithmetic number, because the mean of its divisors is an integer number (3968623516860).

Almost surely, 2^{30423443004431} is an apocalyptic number.

30423443004431 is a deficient number, since it is larger than the sum of its proper divisors (1325545130449).

30423443004431 is a wasteful number, since it uses less digits than its factorization.

30423443004431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116114145.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 30423443004431 its reverse (13440034432403), we get a palindrome (43863477436834).

The spelling of 30423443004431 in words is "thirty trillion, four hundred twenty-three billion, four hundred forty-three million, four thousand, four hundred thirty-one".