230455551 has 4 divisors (see below), whose sum is σ = 307274072. Its totient is φ = 153637032.

The previous prime is 230455543. The next prime is 230455571. The reversal of 230455551 is 155554032.

It is a happy number.

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

It is not a de Polignac number, because 230455551 - 2³ = 230455543 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 (230455571) 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, 38409256 + ... + 38409261.

It is an arithmetic number, because the mean of its divisors is an integer number (76818518).

Almost surely, 2^230455551 is an apocalyptic number.

230455551 is a deficient number, since it is larger than the sum of its proper divisors (76818521).

230455551 is an equidigital number, since it uses as much as digits as its factorization.

230455551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76818520.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 230455551 is about 15180.7625302552. The cubic root of 230455551 is about 613.0968119270.

The spelling of 230455551 in words is "two hundred thirty million, four hundred fifty-five thousand, five hundred fifty-one".