230477983 has 4 divisors (see below), whose sum is σ = 231648120. Its totient is φ = 229307848.

The previous prime is 230477971. The next prime is 230478023. The reversal of 230477983 is 389774032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230477983 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 (230477083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584773 + ... + 585166.

It is an arithmetic number, because the mean of its divisors is an integer number (57912030).

Almost surely, 2^230477983 is an apocalyptic number.

230477983 is a deficient number, since it is larger than the sum of its proper divisors (1170137).

230477983 is a wasteful number, since it uses less digits than its factorization.

230477983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170136.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 230477983 is about 15181.5013420939. The cubic root of 230477983 is about 613.1167037477.

The spelling of 230477983 in words is "two hundred thirty million, four hundred seventy-seven thousand, nine hundred eighty-three".