23112111023 has 2 divisors, whose sum is σ = 23112111024. Its totient is φ = 23112111022.

The previous prime is 23112111007. The next prime is 23112111059. The reversal of 23112111023 is 32011121132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23112111023 - 2⁴ = 23112111007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23112110992 and 23112111010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23112111073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556055511 + 11556055512.

It is an arithmetic number, because the mean of its divisors is an integer number (11556055512).

Almost surely, 2^23112111023 is an apocalyptic number.

23112111023 is a deficient number, since it is larger than the sum of its proper divisors (1).

23112111023 is an equidigital number, since it uses as much as digits as its factorization.

23112111023 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 17.

Adding to 23112111023 its reverse (32011121132), we get a palindrome (55123232155).

The spelling of 23112111023 in words is "twenty-three billion, one hundred twelve million, one hundred eleven thousand, twenty-three".