23020223111 has 2 divisors, whose sum is σ = 23020223112. Its totient is φ = 23020223110.

The previous prime is 23020223099. The next prime is 23020223119. The reversal of 23020223111 is 11132202032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23020223111 - 2⁶ = 23020223047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23020223111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23020223119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510111555 + 11510111556.

It is an arithmetic number, because the mean of its divisors is an integer number (11510111556).

Almost surely, 2^23020223111 is an apocalyptic number.

23020223111 is a deficient number, since it is larger than the sum of its proper divisors (1).

23020223111 is an equidigital number, since it uses as much as digits as its factorization.

23020223111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23020223111 its reverse (11132202032), we get a palindrome (34152425143).

The spelling of 23020223111 in words is "twenty-three billion, twenty million, two hundred twenty-three thousand, one hundred eleven".