230715464721 has 16 divisors (see below), whose sum is σ = 353805704064. Its totient is φ = 130997677824.

The previous prime is 230715464717. The next prime is 230715464723. The reversal of 230715464721 is 127464517032.

It is not a de Polignac number, because 230715464721 - 2² = 230715464717 is a prime.

It is a super-2 number, since 2×230715464721² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230715464723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34985400 + ... + 34991993.

It is an arithmetic number, because the mean of its divisors is an integer number (22112856504).

Almost surely, 2^230715464721 is an apocalyptic number.

230715464721 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

230715464721 is a deficient number, since it is larger than the sum of its proper divisors (123090239343).

230715464721 is a wasteful number, since it uses less digits than its factorization.

230715464721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69977560.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 230715464721 in words is "two hundred thirty billion, seven hundred fifteen million, four hundred sixty-four thousand, seven hundred twenty-one".