230440451 has 4 divisors (see below), whose sum is σ = 230647872. Its totient is φ = 230233032.

The previous prime is 230440447. The next prime is 230440471. The reversal of 230440451 is 154044032.

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 230440451 - 2² = 230440447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230440411) 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, 102035 + ... + 104268.

It is an arithmetic number, because the mean of its divisors is an integer number (57661968).

Almost surely, 2^230440451 is an apocalyptic number.

230440451 is a deficient number, since it is larger than the sum of its proper divisors (207421).

230440451 is a wasteful number, since it uses less digits than its factorization.

230440451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207420.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 230440451 is about 15180.2651821370. The cubic root of 230440451 is about 613.0834211104.

Adding to 230440451 its reverse (154044032), we get a palindrome (384484483).

The spelling of 230440451 in words is "two hundred thirty million, four hundred forty thousand, four hundred fifty-one".