234302421 has 4 divisors (see below), whose sum is σ = 312403232. Its totient is φ = 156201612.

The previous prime is 234302407. The next prime is 234302423. The reversal of 234302421 is 124203432.

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 not a de Polignac number, because 234302421 - 2⁷ = 234302293 is a prime.

It is a super-2 number, since 2×234302421² = 109795248972922482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234302423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39050401 + ... + 39050406.

It is an arithmetic number, because the mean of its divisors is an integer number (78100808).

Almost surely, 2^234302421 is an apocalyptic number.

It is an amenable number.

234302421 is a deficient number, since it is larger than the sum of its proper divisors (78100811).

234302421 is an equidigital number, since it uses as much as digits as its factorization.

234302421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78100810.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 234302421 is about 15306.9402886403. The cubic root of 234302421 is about 616.4893692721.

Adding to 234302421 its reverse (124203432), we get a palindrome (358505853).

The spelling of 234302421 in words is "two hundred thirty-four million, three hundred two thousand, four hundred twenty-one".