23120611 has 2 divisors, whose sum is σ = 23120612. Its totient is φ = 23120610.

The previous prime is 23120609. The next prime is 23120623. The reversal of 23120611 is 11602132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23120611 - 2¹ = 23120609 is a prime.

Together with 23120609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23120641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560305 + 11560306.

It is an arithmetic number, because the mean of its divisors is an integer number (11560306).

Almost surely, 2^23120611 is an apocalyptic number.

23120611 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120611 is an equidigital number, since it uses as much as digits as its factorization.

23120611 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 23120611 is about 4808.3896472728. The cubic root of 23120611 is about 284.8829354041.

Adding to 23120611 its reverse (11602132), we get a palindrome (34722743).

The spelling of 23120611 in words is "twenty-three million, one hundred twenty thousand, six hundred eleven".