2023111213 has 2 divisors, whose sum is σ = 2023111214. Its totient is φ = 2023111212.

The previous prime is 2023111201. The next prime is 2023111229. The reversal of 2023111213 is 3121113202.

It is an a-pointer prime, because the next prime (2023111229) can be obtained adding 2023111213 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2003636644 + 19474569 = 44762^2 + 4413^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023111213 - 2⁹ = 2023110701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2023112213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011555606 + 1011555607.

It is an arithmetic number, because the mean of its divisors is an integer number (1011555607).

Almost surely, 2^2023111213 is an apocalyptic number.

It is an amenable number.

2023111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023111213 is an equidigital number, since it uses as much as digits as its factorization.

2023111213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2023111213 is about 44979.0085817818. The cubic root of 2023111213 is about 1264.7555262952.

Adding to 2023111213 its reverse (3121113202), we get a palindrome (5144224415).

The spelling of 2023111213 in words is "two billion, twenty-three million, one hundred eleven thousand, two hundred thirteen".