30234143 has 16 divisors (see below), whose sum is σ = 33390144. Its totient is φ = 27256320.

The previous prime is 30234133. The next prime is 30234157. The reversal of 30234143 is 34143203.

It is a cyclic number.

It is not a de Polignac number, because 30234143 - 2⁶ = 30234079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30234133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44321 + ... + 44997.

It is an arithmetic number, because the mean of its divisors is an integer number (2086884).

Almost surely, 2^30234143 is an apocalyptic number.

30234143 is a deficient number, since it is larger than the sum of its proper divisors (3156001).

30234143 is a wasteful number, since it uses less digits than its factorization.

30234143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 30234143 is about 5498.5582655820. The cubic root of 30234143 is about 311.5295307661.

Adding to 30234143 its reverse (34143203), we get a palindrome (64377346).

The spelling of 30234143 in words is "thirty million, two hundred thirty-four thousand, one hundred forty-three".