30523046436 has 18 divisors (see below), whose sum is σ = 77155478582. Its totient is φ = 10174348800.

The previous prime is 30523046347. The next prime is 30523046453. The reversal of 30523046436 is 63464032503.

30523046436 is a `hidden beast` number, since 3 + 0 + 5 + 2 + 3 + 0 + 4 + 643 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16216494336 + 14306552100 = 127344^2 + 119610^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 847862401 = 30523046436 / (3 + 0 + 5 + 2 + 3 + 0 + 4 + 6 + 4 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 30523046436.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 423931165 + ... + 423931236.

Almost surely, 2^30523046436 is an apocalyptic number.

30523046436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30523046436 is an abundant number, since it is smaller than the sum of its proper divisors (46632432146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30523046436 is a wasteful number, since it uses less digits than its factorization.

30523046436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847862411 (or 847862406 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 30523046436 its reverse (63464032503), we get a palindrome (93987078939).

The spelling of 30523046436 in words is "thirty billion, five hundred twenty-three million, forty-six thousand, four hundred thirty-six".