612130323 has 16 divisors (see below), whose sum is σ = 933180416. Its totient is φ = 349634880.

The previous prime is 612130319. The next prime is 612130403. The reversal of 612130323 is 323031216.

612130323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 612130323 - 2² = 612130319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 612130323.

It is not an unprimeable number, because it can be changed into a prime (612130223) 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, 57078 + ... + 66948.

It is an arithmetic number, because the mean of its divisors is an integer number (58323776).

Almost surely, 2^612130323 is an apocalyptic number.

612130323 is a deficient number, since it is larger than the sum of its proper divisors (321050093).

612130323 is a wasteful number, since it uses less digits than its factorization.

612130323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12834.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 612130323 is about 24741.2676110178. The cubic root of 612130323 is about 849.0787356519.

Adding to 612130323 its reverse (323031216), we get a palindrome (935161539).

The spelling of 612130323 in words is "six hundred twelve million, one hundred thirty thousand, three hundred twenty-three".