123211120223 has 2 divisors, whose sum is σ = 123211120224. Its totient is φ = 123211120222.

The previous prime is 123211120177. The next prime is 123211120229. The reversal of 123211120223 is 322021112321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123211120223 - 2²⁴ = 123194343007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123211120195 and 123211120204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123211120229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61605560111 + 61605560112.

It is an arithmetic number, because the mean of its divisors is an integer number (61605560112).

Almost surely, 2^123211120223 is an apocalyptic number.

123211120223 is a deficient number, since it is larger than the sum of its proper divisors (1).

123211120223 is an equidigital number, since it uses as much as digits as its factorization.

123211120223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 123211120223 its reverse (322021112321), we get a palindrome (445232232544).

The spelling of 123211120223 in words is "one hundred twenty-three billion, two hundred eleven million, one hundred twenty thousand, two hundred twenty-three".