230954789 has 4 divisors (see below), whose sum is σ = 248720556. Its totient is φ = 213189024.

The previous prime is 230954783. The next prime is 230954791. The reversal of 230954789 is 987459032.

It is a happy number.

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 153338689 + 77616100 = 12383^2 + 8810^2 .

It is a cyclic number.

It is not a de Polignac number, because 230954789 - 2²⁴ = 214177573 is a prime.

It is a super-2 number, since 2×230954789² = 106680229124069042, 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 (230954783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8882864 + ... + 8882889.

It is an arithmetic number, because the mean of its divisors is an integer number (62180139).

Almost surely, 2^230954789 is an apocalyptic number.

It is an amenable number.

230954789 is a deficient number, since it is larger than the sum of its proper divisors (17765767).

230954789 is a wasteful number, since it uses less digits than its factorization.

230954789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17765766.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 230954789 is about 15197.1967480848. The cubic root of 230954789 is about 613.5392117278.

The spelling of 230954789 in words is "two hundred thirty million, nine hundred fifty-four thousand, seven hundred eighty-nine".