230545473 has 4 divisors (see below), whose sum is σ = 307393968. Its totient is φ = 153696980.

The previous prime is 230545457. The next prime is 230545493. The reversal of 230545473 is 374545032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230545473 - 2⁴ = 230545457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230545423) 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, 38424243 + ... + 38424248.

It is an arithmetic number, because the mean of its divisors is an integer number (76848492).

Almost surely, 2^230545473 is an apocalyptic number.

It is an amenable number.

230545473 is a deficient number, since it is larger than the sum of its proper divisors (76848495).

230545473 is an equidigital number, since it uses as much as digits as its factorization.

230545473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76848494.

The product of its (nonzero) digits is 50400, while the sum is 33.

The square root of 230545473 is about 15183.7239503358. The cubic root of 230545473 is about 613.1765434591.

The spelling of 230545473 in words is "two hundred thirty million, five hundred forty-five thousand, four hundred seventy-three".