1232122223 has 4 divisors (see below), whose sum is σ = 1232396928. Its totient is φ = 1231847520.

The previous prime is 1232122207. The next prime is 1232122267. The reversal of 1232122223 is 3222212321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3222212321 = 383 ⋅8413087.

It is a cyclic number.

It is not a de Polignac number, because 1232122223 - 2⁴ = 1232122207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232122195 and 1232122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232122523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130511 + ... + 139632.

It is an arithmetic number, because the mean of its divisors is an integer number (308099232).

Almost surely, 2^1232122223 is an apocalyptic number.

1232122223 is a deficient number, since it is larger than the sum of its proper divisors (274705).

1232122223 is an equidigital number, since it uses as much as digits as its factorization.

1232122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274704.

The product of its digits is 576, while the sum is 20.

The square root of 1232122223 is about 35101.5985818310. The cubic root of 1232122223 is about 1072.0571316989.

Adding to 1232122223 its reverse (3222212321), we get a palindrome (4454334544).

The spelling of 1232122223 in words is "one billion, two hundred thirty-two million, one hundred twenty-two thousand, two hundred twenty-three".