30016400823 has 8 divisors (see below), whose sum is σ = 44468742000. Its totient is φ = 20010933864.

The previous prime is 30016400803. The next prime is 30016400857. The reversal of 30016400823 is 32800461003.

It is a happy number.

It is not a de Polignac number, because 30016400823 - 2⁹ = 30016400311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1111718549 = 30016400823 / (3 + 0 + 0 + 1 + 6 + 4 + 0 + 0 + 8 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30016400803) 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, 555859248 + ... + 555859301.

It is an arithmetic number, because the mean of its divisors is an integer number (5558592750).

Almost surely, 2^30016400823 is an apocalyptic number.

30016400823 is a deficient number, since it is larger than the sum of its proper divisors (14452341177).

30016400823 is a wasteful number, since it uses less digits than its factorization.

30016400823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111718558 (or 1111718552 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 30016400823 its reverse (32800461003), we get a palindrome (62816861826).

The spelling of 30016400823 in words is "thirty billion, sixteen million, four hundred thousand, eight hundred twenty-three".