230307551 has 4 divisors (see below), whose sum is σ = 243855072. Its totient is φ = 216760032.

The previous prime is 230307541. The next prime is 230307557. The reversal of 230307551 is 155703032.

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-230307551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230307551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230307557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6773735 + ... + 6773768.

It is an arithmetic number, because the mean of its divisors is an integer number (60963768).

Almost surely, 2^230307551 is an apocalyptic number.

230307551 is a deficient number, since it is larger than the sum of its proper divisors (13547521).

230307551 is a wasteful number, since it uses less digits than its factorization.

230307551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13547520.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 230307551 is about 15175.8871569342. The cubic root of 230307551 is about 612.9655389491.

The spelling of 230307551 in words is "two hundred thirty million, three hundred seven thousand, five hundred fifty-one".