302012313123 has 4 divisors (see below), whose sum is σ = 402683084168. Its totient is φ = 201341542080.

The previous prime is 302012313107. The next prime is 302012313131. The reversal of 302012313123 is 321313210203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321313210203 = 3 ⋅107104403401.

It is not a de Polignac number, because 302012313123 - 2⁴ = 302012313107 is a prime.

It is a super-2 number, since 2×302012313123² (a number of 24 digits) contains 22 as substring.

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 302012313123.

It is not an unprimeable number, because it can be changed into a prime (302012313103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50335385518 + ... + 50335385523.

It is an arithmetic number, because the mean of its divisors is an integer number (100670771042).

Almost surely, 2^302012313123 is an apocalyptic number.

302012313123 is a deficient number, since it is larger than the sum of its proper divisors (100670771045).

302012313123 is a wasteful number, since it uses less digits than its factorization.

302012313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100670771044.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 302012313123 its reverse (321313210203), we get a palindrome (623325523326).

The spelling of 302012313123 in words is "three hundred two billion, twelve million, three hundred thirteen thousand, one hundred twenty-three".