23220111023 has 2 divisors, whose sum is σ = 23220111024. Its totient is φ = 23220111022.

The previous prime is 23220111017. The next prime is 23220111037. The reversal of 23220111023 is 32011102232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23220111023 - 2²² = 23215916719 is a prime.

It is a super-2 number, since 2×23220111023² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23220110992 and 23220111010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23220111073) 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, 11610055511 + 11610055512.

It is an arithmetic number, because the mean of its divisors is an integer number (11610055512).

Almost surely, 2^23220111023 is an apocalyptic number.

23220111023 is a deficient number, since it is larger than the sum of its proper divisors (1).

23220111023 is an equidigital number, since it uses as much as digits as its factorization.

23220111023 is an odious number, because the sum of its binary digits is odd.

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

Adding to 23220111023 its reverse (32011102232), we get a palindrome (55231213255).

The spelling of 23220111023 in words is "twenty-three billion, two hundred twenty million, one hundred eleven thousand, twenty-three".