1223430233 has 2 divisors, whose sum is σ = 1223430234. Its totient is φ = 1223430232.

The previous prime is 1223430227. The next prime is 1223430239. The reversal of 1223430233 is 3320343221.

It is a balanced prime because it is at equal distance from previous prime (1223430227) and next prime (1223430239).

It can be written as a sum of positive squares in only one way, i.e., 1003115584 + 220314649 = 31672^2 + 14843^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223430233 - 2²² = 1219235929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223430199 and 1223430208.

It is not a weakly prime, because it can be changed into another prime (1223430239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611715116 + 611715117.

It is an arithmetic number, because the mean of its divisors is an integer number (611715117).

Almost surely, 2^1223430233 is an apocalyptic number.

It is an amenable number.

1223430233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223430233 is an equidigital number, since it uses as much as digits as its factorization.

1223430233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 1223430233 is about 34977.5675683716. The cubic root of 1223430233 is about 1069.5302427423.

Adding to 1223430233 its reverse (3320343221), we get a palindrome (4543773454).

The spelling of 1223430233 in words is "one billion, two hundred twenty-three million, four hundred thirty thousand, two hundred thirty-three".