230515715 has 4 divisors (see below), whose sum is σ = 276618864. Its totient is φ = 184412568.

The previous prime is 230515697. The next prime is 230515717. The reversal of 230515715 is 517515032.

It is a happy number.

230515715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 230515715 - 2⁸ = 230515459 is a prime.

It is a super-2 number, since 2×230515715² = 106274989723922450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230515717) 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, 23051567 + ... + 23051576.

It is an arithmetic number, because the mean of its divisors is an integer number (69154716).

Almost surely, 2^230515715 is an apocalyptic number.

230515715 is a deficient number, since it is larger than the sum of its proper divisors (46103149).

230515715 is an equidigital number, since it uses as much as digits as its factorization.

230515715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46103148.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 230515715 is about 15182.7439878304. The cubic root of 230515715 is about 613.1501600990.

The spelling of 230515715 in words is "two hundred thirty million, five hundred fifteen thousand, seven hundred fifteen".