234451321 has 4 divisors (see below), whose sum is σ = 252486052. Its totient is φ = 216416592.

The previous prime is 234451289. The next prime is 234451331. The reversal of 234451321 is 123154432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10530025 + 223921296 = 3245^2 + 14964^2 .

It is a cyclic number.

It is not a de Polignac number, because 234451321 - 2⁵ = 234451289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234451331) 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, 9017346 + ... + 9017371.

It is an arithmetic number, because the mean of its divisors is an integer number (63121513).

Almost surely, 2^234451321 is an apocalyptic number.

It is an amenable number.

234451321 is a deficient number, since it is larger than the sum of its proper divisors (18034731).

234451321 is a wasteful number, since it uses less digits than its factorization.

234451321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18034730.

The product of its digits is 2880, while the sum is 25.

The square root of 234451321 is about 15311.8033229271. The cubic root of 234451321 is about 616.6199353274.

The spelling of 234451321 in words is "two hundred thirty-four million, four hundred fifty-one thousand, three hundred twenty-one".