312223123001 has 4 divisors (see below), whose sum is σ = 317515040400. Its totient is φ = 306931205604.

The previous prime is 312223122931. The next prime is 312223123007. The reversal of 312223123001 is 100321322213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312223123001 - 2¹⁸ = 312222860857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312223123007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2645958611 + ... + 2645958728.

It is an arithmetic number, because the mean of its divisors is an integer number (79378760100).

Almost surely, 2^312223123001 is an apocalyptic number.

It is an amenable number.

312223123001 is a deficient number, since it is larger than the sum of its proper divisors (5291917399).

312223123001 is an equidigital number, since it uses as much as digits as its factorization.

312223123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291917398.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312223123001 its reverse (100321322213), we get a palindrome (412544445214).

The spelling of 312223123001 in words is "three hundred twelve billion, two hundred twenty-three million, one hundred twenty-three thousand, one".