1220132323 has 4 divisors (see below), whose sum is σ = 1220205640. Its totient is φ = 1220059008.

The previous prime is 1220132299. The next prime is 1220132339. The reversal of 1220132323 is 3232310221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1220132323 - 2¹³ = 1220124131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220132323.

It is not an unprimeable number, because it can be changed into a prime (1220132393) 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, 1648 + ... + 49426.

It is an arithmetic number, because the mean of its divisors is an integer number (305051410).

Almost surely, 2^1220132323 is an apocalyptic number.

1220132323 is a deficient number, since it is larger than the sum of its proper divisors (73317).

1220132323 is an equidigital number, since it uses as much as digits as its factorization.

1220132323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73316.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1220132323 is about 34930.3925400216. The cubic root of 1220132323 is about 1068.5683601893.

Adding to 1220132323 its reverse (3232310221), we get a palindrome (4452442544).

The spelling of 1220132323 in words is "one billion, two hundred twenty million, one hundred thirty-two thousand, three hundred twenty-three".