612306230 has 16 divisors (see below), whose sum is σ = 1150071264. Its totient is φ = 234273600.

The previous prime is 612306223. The next prime is 612306257. The reversal of 612306230 is 32603216.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 612306196 and 612306205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330871 + ... + 1331330.

It is an arithmetic number, because the mean of its divisors is an integer number (71879454).

Almost surely, 2^612306230 is an apocalyptic number.

612306230 is a deficient number, since it is larger than the sum of its proper divisors (537765034).

612306230 is a wasteful number, since it uses less digits than its factorization.

612306230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662231.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 612306230 is about 24744.8222866926. The cubic root of 612306230 is about 849.1600607025.

Adding to 612306230 its reverse (32603216), we get a palindrome (644909446).

The spelling of 612306230 in words is "six hundred twelve million, three hundred six thousand, two hundred thirty".