230430615615 has 80 divisors (see below), whose sum is σ = 451475354880. Its totient is φ = 111935831040.

The previous prime is 230430615601. The next prime is 230430615619. The reversal of 230430615615 is 516516034032.

230430615615 is a `hidden beast` number, since 2 + 3 + 0 + 4 + 30 + 6 + 1 + 5 + 615 = 666.

It is not a de Polignac number, because 230430615615 - 2⁶ = 230430615551 is a prime.

It is a super-2 number, since 2×230430615615² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230430615615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230430615619) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 326380 + ... + 753249.

It is an arithmetic number, because the mean of its divisors is an integer number (5643441936).

Almost surely, 2^230430615615 is an apocalyptic number.

230430615615 is a deficient number, since it is larger than the sum of its proper divisors (221044739265).

230430615615 is a wasteful number, since it uses less digits than its factorization.

230430615615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079694 (or 1079685 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 230430615615 its reverse (516516034032), we get a palindrome (746946649647).

The spelling of 230430615615 in words is "two hundred thirty billion, four hundred thirty million, six hundred fifteen thousand, six hundred fifteen".