30153223 has 4 divisors (see below), whose sum is σ = 31926960. Its totient is φ = 28379488.

The previous prime is 30153199. The next prime is 30153241. The reversal of 30153223 is 32235103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30153223 - 2²¹ = 28056071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30153223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30153293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886843 + ... + 886876.

It is an arithmetic number, because the mean of its divisors is an integer number (7981740).

Almost surely, 2^30153223 is an apocalyptic number.

30153223 is a deficient number, since it is larger than the sum of its proper divisors (1773737).

30153223 is a wasteful number, since it uses less digits than its factorization.

30153223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773736.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 30153223 is about 5491.1950429756. The cubic root of 30153223 is about 311.2513519616.

Adding to 30153223 its reverse (32235103), we get a palindrome (62388326).

The spelling of 30153223 in words is "thirty million, one hundred fifty-three thousand, two hundred twenty-three".