1220232323 has 4 divisors (see below), whose sum is σ = 1259594688. Its totient is φ = 1180869960.

The previous prime is 1220232319. The next prime is 1220232329. The reversal of 1220232323 is 3232320221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3232320221 = 13 ⋅248640017.

It is a cyclic number.

It is not a de Polignac number, because 1220232323 - 2² = 1220232319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220232295 and 1220232304.

It is not an unprimeable number, because it can be changed into a prime (1220232329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19681136 + ... + 19681197.

It is an arithmetic number, because the mean of its divisors is an integer number (314898672).

Almost surely, 2^1220232323 is an apocalyptic number.

1220232323 is a deficient number, since it is larger than the sum of its proper divisors (39362365).

1220232323 is an equidigital number, since it uses as much as digits as its factorization.

1220232323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39362364.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1220232323 is about 34931.8239289047. The cubic root of 1220232323 is about 1068.5975520824.

Adding to 1220232323 its reverse (3232320221), we get a palindrome (4452552544).

The spelling of 1220232323 in words is "one billion, two hundred twenty million, two hundred thirty-two thousand, three hundred twenty-three".