30233238 has 16 divisors (see below), whose sum is σ = 69104640. Its totient is φ = 8638056.

The previous prime is 30233233. The next prime is 30233249. The reversal of 30233238 is 83233203.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30233233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359878 + ... + 359961.

It is an arithmetic number, because the mean of its divisors is an integer number (4319040).

Almost surely, 2^30233238 is an apocalyptic number.

30233238 is an abundant number, since it is smaller than the sum of its proper divisors (38871402).

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

30233238 is a wasteful number, since it uses less digits than its factorization.

30233238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719851.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 30233238 is about 5498.4759706668. The cubic root of 30233238 is about 311.5264223924.

The spelling of 30233238 in words is "thirty million, two hundred thirty-three thousand, two hundred thirty-eight".