234891243 has 24 divisors (see below), whose sum is σ = 357848400. Its totient is φ = 148060224.

The previous prime is 234891233. The next prime is 234891257. The reversal of 234891243 is 342198432.

It is not a de Polignac number, because 234891243 - 2⁵ = 234891211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234891198 and 234891207.

It is not an unprimeable number, because it can be changed into a prime (234891233) 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 23 ways as a sum of consecutive naturals, for example, 114753 + ... + 116781.

It is an arithmetic number, because the mean of its divisors is an integer number (14910350).

Almost surely, 2^234891243 is an apocalyptic number.

234891243 is a deficient number, since it is larger than the sum of its proper divisors (122957157).

234891243 is a wasteful number, since it uses less digits than its factorization.

234891243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731 (or 2728 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 234891243 is about 15326.1620440344. The cubic root of 234891243 is about 617.0053674142.

The spelling of 234891243 in words is "two hundred thirty-four million, eight hundred ninety-one thousand, two hundred forty-three".