30005423045 has 32 divisors (see below), whose sum is σ = 41670091008. Its totient is φ = 20543136768.

The previous prime is 30005423033. The next prime is 30005423051. The reversal of 30005423045 is 54032450003.

It is a cyclic number.

It is not a de Polignac number, because 30005423045 - 2⁶ = 30005422981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128609 + ... + 276678.

It is an arithmetic number, because the mean of its divisors is an integer number (1302190344).

Almost surely, 2^30005423045 is an apocalyptic number.

It is an amenable number.

30005423045 is a deficient number, since it is larger than the sum of its proper divisors (11664667963).

30005423045 is a wasteful number, since it uses less digits than its factorization.

30005423045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405389.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 30005423045 its reverse (54032450003), we get a palindrome (84037873048).

The spelling of 30005423045 in words is "thirty billion, five million, four hundred twenty-three thousand, forty-five".