234891223 has 8 divisors (see below), whose sum is σ = 271215392. Its totient is φ = 199259136.

The previous prime is 234891211. The next prime is 234891233. The reversal of 234891223 is 322198432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234891223 - 2¹³ = 234883031 is a prime.

It is a super-3 number, since 3×234891223³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 172290 + ... + 173647.

It is an arithmetic number, because the mean of its divisors is an integer number (33901924).

Almost surely, 2^234891223 is an apocalyptic number.

234891223 is a deficient number, since it is larger than the sum of its proper divisors (36324169).

234891223 is an equidigital number, since it uses as much as digits as its factorization.

234891223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346041.

The product of its digits is 20736, while the sum is 34.

The square root of 234891223 is about 15326.1613915553. The cubic root of 234891223 is about 617.0053499024.

The spelling of 234891223 in words is "two hundred thirty-four million, eight hundred ninety-one thousand, two hundred twenty-three".