2111312030423 has 4 divisors (see below), whose sum is σ = 2235506855760. Its totient is φ = 1987117205088.

The previous prime is 2111312030383. The next prime is 2111312030449. The reversal of 2111312030423 is 3240302131112.

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 2111312030423 - 2¹⁴ = 2111312014039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111312030323) 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, 62097412643 + ... + 62097412676.

It is an arithmetic number, because the mean of its divisors is an integer number (558876713940).

Almost surely, 2^{2111312030423} is an apocalyptic number.

2111312030423 is a deficient number, since it is larger than the sum of its proper divisors (124194825337).

2111312030423 is a wasteful number, since it uses less digits than its factorization.

2111312030423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124194825336.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2111312030423 its reverse (3240302131112), we get a palindrome (5351614161535).

The spelling of 2111312030423 in words is "two trillion, one hundred eleven billion, three hundred twelve million, thirty thousand, four hundred twenty-three".