612323101 has 8 divisors (see below), whose sum is σ = 677247704. Its totient is φ = 549944640.

The previous prime is 612323071. The next prime is 612323111. The reversal of 612323101 is 101323216.

It can be written as a sum of positive squares in 4 ways, for example, as 279224100 + 333099001 = 16710^2 + 18251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612323101 - 2⁷ = 612322973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612323111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636030 + ... + 636991.

It is an arithmetic number, because the mean of its divisors is an integer number (84655963).

Almost surely, 2^612323101 is an apocalyptic number.

It is an amenable number.

612323101 is a deficient number, since it is larger than the sum of its proper divisors (64924603).

612323101 is a wasteful number, since it uses less digits than its factorization.

612323101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273071.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 612323101 is about 24745.1631839436. The cubic root of 612323101 is about 849.1678596584.

Adding to 612323101 its reverse (101323216), we get a palindrome (713646317).

The spelling of 612323101 in words is "six hundred twelve million, three hundred twenty-three thousand, one hundred one".