312234001340123 has 4 divisors (see below), whose sum is σ = 312234161124480. Its totient is φ = 312233841555768.

The previous prime is 312234001340011. The next prime is 312234001340171. The reversal of 312234001340123 is 321043100432213.

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 312234001340123 - 2¹² = 312234001336027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312234001340323) 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 3 ways as a sum of consecutive naturals, for example, 76924283 + ... + 80881476.

It is an arithmetic number, because the mean of its divisors is an integer number (78058540281120).

Almost surely, 2^{312234001340123} is an apocalyptic number.

312234001340123 is a deficient number, since it is larger than the sum of its proper divisors (159784357).

312234001340123 is a wasteful number, since it uses less digits than its factorization.

312234001340123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159784356.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 312234001340123 its reverse (321043100432213), we get a palindrome (633277101772336).

The spelling of 312234001340123 in words is "three hundred twelve trillion, two hundred thirty-four billion, one million, three hundred forty thousand, one hundred twenty-three".