23120231311 has 2 divisors, whose sum is σ = 23120231312. Its totient is φ = 23120231310.

The previous prime is 23120231279. The next prime is 23120231317. The reversal of 23120231311 is 11313202132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23120231311 - 2⁵ = 23120231279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23120231317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560115655 + 11560115656.

It is an arithmetic number, because the mean of its divisors is an integer number (11560115656).

Almost surely, 2^23120231311 is an apocalyptic number.

23120231311 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120231311 is an equidigital number, since it uses as much as digits as its factorization.

23120231311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23120231311 its reverse (11313202132), we get a palindrome (34433433443).

The spelling of 23120231311 in words is "twenty-three billion, one hundred twenty million, two hundred thirty-one thousand, three hundred eleven".