30005423632 has 10 divisors (see below), whose sum is σ = 58135508318. Its totient is φ = 15002711808.

The previous prime is 30005423629. The next prime is 30005423639. The reversal of 30005423632 is 23632450003.

It can be written as a sum of positive squares in only one way, i.e., 26031886336 + 3973537296 = 161344^2 + 63036^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30005423632.

It is not an unprimeable number, because it can be changed into a prime (30005423639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937669473 + ... + 937669504.

Almost surely, 2^30005423632 is an apocalyptic number.

It is an amenable number.

30005423632 is a deficient number, since it is larger than the sum of its proper divisors (28130084686).

30005423632 is a wasteful number, since it uses less digits than its factorization.

30005423632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875338985 (or 1875338979 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 30005423632 its reverse (23632450003), we get a palindrome (53637873635).

The spelling of 30005423632 in words is "thirty billion, five million, four hundred twenty-three thousand, six hundred thirty-two".