230615019 has 12 divisors (see below), whose sum is σ = 345448376. Its totient is φ = 153743184.

The previous prime is 230614999. The next prime is 230615053. The reversal of 230615019 is 910516032.

230615019 is a `hidden beast` number, since 2 + 30 + 615 + 0 + 19 = 666.

It is not a de Polignac number, because 230615019 - 2⁵ = 230614987 is a prime.

It is a super-2 number, since 2×230615019² = 106366573976740722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230614983 and 230615001.

It is not an unprimeable number, because it can be changed into a prime (230615419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474274 + ... + 474759.

Almost surely, 2^230615019 is an apocalyptic number.

230615019 is a deficient number, since it is larger than the sum of its proper divisors (114833357).

230615019 is an frugal number, since it uses more digits than its factorization.

230615019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949048 (or 949036 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 230615019 is about 15186.0139272951. The cubic root of 230615019 is about 613.2381938978.

The spelling of 230615019 in words is "two hundred thirty million, six hundred fifteen thousand, nineteen".