312202002143023 has 16 divisors (see below), whose sum is σ = 333544126827520. Its totient is φ = 291351066025536.

The previous prime is 312202002142999. The next prime is 312202002143069. The reversal of 312202002143023 is 320341200202213.

It is a cyclic number.

It is not a de Polignac number, because 312202002143023 - 2²⁹ = 312201465272111 is a prime.

It is a super-2 number, since 2×312202002143023² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312202002143323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77009515 + ... + 80962147.

It is an arithmetic number, because the mean of its divisors is an integer number (20846507926720).

Almost surely, 2^{312202002143023} is an apocalyptic number.

312202002143023 is a deficient number, since it is larger than the sum of its proper divisors (21342124684497).

312202002143023 is a wasteful number, since it uses less digits than its factorization.

312202002143023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014766.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312202002143023 its reverse (320341200202213), we get a palindrome (632543202345236).

The spelling of 312202002143023 in words is "three hundred twelve trillion, two hundred two billion, two million, one hundred forty-three thousand, twenty-three".