3212320123 has 4 divisors (see below), whose sum is σ = 3213015448. Its totient is φ = 3211624800.

The previous prime is 3212320091. The next prime is 3212320151. The reversal of 3212320123 is 3210232123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3212320123 - 2⁵ = 3212320091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3212320123.

It is not an unprimeable number, because it can be changed into a prime (3212323123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340686 + ... + 349987.

It is an arithmetic number, because the mean of its divisors is an integer number (803253862).

Almost surely, 2^3212320123 is an apocalyptic number.

3212320123 is a deficient number, since it is larger than the sum of its proper divisors (695325).

3212320123 is an equidigital number, since it uses as much as digits as its factorization.

3212320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695324.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3212320123 is about 56677.3334146906. Note that the first 3 decimals coincide. The cubic root of 3212320123 is about 1475.5013326774.

Adding to 3212320123 its reverse (3210232123), we get a palindrome (6422552246).

The spelling of 3212320123 in words is "three billion, two hundred twelve million, three hundred twenty thousand, one hundred twenty-three".