234319421 has 16 divisors (see below), whose sum is σ = 282086400. Its totient is φ = 194357520.

The previous prime is 234319369. The next prime is 234319447. The reversal of 234319421 is 124913432.

It is not a de Polignac number, because 234319421 - 2¹⁸ = 234057277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234319471) 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, 386 + ... + 21651.

It is an arithmetic number, because the mean of its divisors is an integer number (17630400).

Almost surely, 2^234319421 is an apocalyptic number.

It is an amenable number.

234319421 is a deficient number, since it is larger than the sum of its proper divisors (47766979).

234319421 is an equidigital number, since it uses as much as digits as its factorization.

234319421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22089 (or 22075 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 234319421 is about 15307.4955822303. The cubic root of 234319421 is about 616.5042788717.

The spelling of 234319421 in words is "two hundred thirty-four million, three hundred nineteen thousand, four hundred twenty-one".