234503421 has 4 divisors (see below), whose sum is σ = 312671232. Its totient is φ = 156335612.

The previous prime is 234503413. The next prime is 234503443. The reversal of 234503421 is 124305432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234503421 - 2³ = 234503413 is a prime.

It is a super-3 number, since 3×234503421³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234503391 and 234503400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234503471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39083901 + ... + 39083906.

It is an arithmetic number, because the mean of its divisors is an integer number (78167808).

Almost surely, 2^234503421 is an apocalyptic number.

It is an amenable number.

234503421 is a deficient number, since it is larger than the sum of its proper divisors (78167811).

234503421 is an equidigital number, since it uses as much as digits as its factorization.

234503421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78167810.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 234503421 is about 15313.5045303157. The cubic root of 234503421 is about 616.6656072379.

Adding to 234503421 its reverse (124305432), we get a palindrome (358808853).

The spelling of 234503421 in words is "two hundred thirty-four million, five hundred three thousand, four hundred twenty-one".