312003011123 has 4 divisors (see below), whose sum is σ = 316277025048. Its totient is φ = 307728997200.

The previous prime is 312003011093. The next prime is 312003011149. The reversal of 312003011123 is 321110300213.

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 312003011123 - 2¹⁴ = 312002994739 is a prime.

It is a super-3 number, since 3×312003011123³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312003011323) 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, 2137006853 + ... + 2137006998.

It is an arithmetic number, because the mean of its divisors is an integer number (79069256262).

Almost surely, 2^312003011123 is an apocalyptic number.

312003011123 is a deficient number, since it is larger than the sum of its proper divisors (4274013925).

312003011123 is an equidigital number, since it uses as much as digits as its factorization.

312003011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4274013924.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 312003011123 its reverse (321110300213), we get a palindrome (633113311336).

The spelling of 312003011123 in words is "three hundred twelve billion, three million, eleven thousand, one hundred twenty-three".