612146223 has 36 divisors (see below), whose sum is σ = 965303040. Its totient is φ = 373621248.

The previous prime is 612146207. The next prime is 612146233. The reversal of 612146223 is 322641216.

612146223 is a `hidden beast` number, since 612 + 1 + 46 + 2 + 2 + 3 = 666.

It is not a de Polignac number, because 612146223 - 2⁴ = 612146207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612146233) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 191583 + ... + 194751.

Almost surely, 2^612146223 is an apocalyptic number.

612146223 is a deficient number, since it is larger than the sum of its proper divisors (353156817).

612146223 is a wasteful number, since it uses less digits than its factorization.

612146223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328 (or 3312 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 612146223 is about 24741.5889344238. The cubic root of 612146223 is about 849.0860871556.

Adding to 612146223 its reverse (322641216), we get a palindrome (934787439).

The spelling of 612146223 in words is "six hundred twelve million, one hundred forty-six thousand, two hundred twenty-three".