234712421 has 8 divisors (see below), whose sum is σ = 249134040. Its totient is φ = 220359168.

The previous prime is 234712409. The next prime is 234712427. The reversal of 234712421 is 124217432.

It can be written as a sum of positive squares in 4 ways, for example, as 132480100 + 102232321 = 11510^2 + 10111^2 .

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

It is not a de Polignac number, because 234712421 - 2¹⁸ = 234450277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234712427) 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 7 ways as a sum of consecutive naturals, for example, 9926 + ... + 23831.

It is an arithmetic number, because the mean of its divisors is an integer number (31141755).

Almost surely, 2^234712421 is an apocalyptic number.

It is an amenable number.

234712421 is a deficient number, since it is larger than the sum of its proper divisors (14421619).

234712421 is a wasteful number, since it uses less digits than its factorization.

234712421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34183.

The product of its digits is 2688, while the sum is 26.

The square root of 234712421 is about 15320.3270526448. The cubic root of 234712421 is about 616.8487528845.

Adding to 234712421 its reverse (124217432), we get a palindrome (358929853).

The spelling of 234712421 in words is "two hundred thirty-four million, seven hundred twelve thousand, four hundred twenty-one".