1320177323 has 8 divisors (see below), whose sum is σ = 1389994320. Its totient is φ = 1250393760.

The previous prime is 1320177277. The next prime is 1320177349. The reversal of 1320177323 is 3237710231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320177323 - 2²⁴ = 1303400107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320177373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145253 + ... + 154073.

It is an arithmetic number, because the mean of its divisors is an integer number (173749290).

Almost surely, 2^1320177323 is an apocalyptic number.

1320177323 is a deficient number, since it is larger than the sum of its proper divisors (69816997).

1320177323 is an equidigital number, since it uses as much as digits as its factorization.

1320177323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16717.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 1320177323 is about 36334.2444946912. The cubic root of 1320177323 is about 1097.0104286080.

Adding to 1320177323 its reverse (3237710231), we get a palindrome (4557887554).

The spelling of 1320177323 in words is "one billion, three hundred twenty million, one hundred seventy-seven thousand, three hundred twenty-three".