230405451 has 4 divisors (see below), whose sum is σ = 307207272. Its totient is φ = 153603632.

The previous prime is 230405411. The next prime is 230405453. The reversal of 230405451 is 154504032.

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

It is a cyclic number.

It is not a de Polignac number, because 230405451 - 2⁶ = 230405387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230405453) 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, 38400906 + ... + 38400911.

It is an arithmetic number, because the mean of its divisors is an integer number (76801818).

Almost surely, 2^230405451 is an apocalyptic number.

230405451 is a deficient number, since it is larger than the sum of its proper divisors (76801821).

230405451 is an equidigital number, since it uses as much as digits as its factorization.

230405451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76801820.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 230405451 is about 15179.1123258246. The cubic root of 230405451 is about 613.0523805442.

Adding to 230405451 its reverse (154504032), we get a palindrome (384909483).

The spelling of 230405451 in words is "two hundred thirty million, four hundred five thousand, four hundred fifty-one".