23942111 has 2 divisors, whose sum is σ = 23942112. Its totient is φ = 23942110.

The previous prime is 23942089. The next prime is 23942117. The reversal of 23942111 is 11124932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23942111 - 2⁶ = 23942047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23942117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11971055 + 11971056.

It is an arithmetic number, because the mean of its divisors is an integer number (11971056).

Almost surely, 2^23942111 is an apocalyptic number.

23942111 is a deficient number, since it is larger than the sum of its proper divisors (1).

23942111 is an equidigital number, since it uses as much as digits as its factorization.

23942111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 23942111 is about 4893.0676471923. The cubic root of 23942111 is about 288.2178096090.

It can be divided in two parts, 23942 and 111, that multiplied together give a palindrome (2657562).

The spelling of 23942111 in words is "twenty-three million, nine hundred forty-two thousand, one hundred eleven".