1320451223 has 8 divisors (see below), whose sum is σ = 1625170848. Its totient is φ = 1044752544.

The previous prime is 1320451199. The next prime is 1320451241. The reversal of 1320451223 is 3221540231.

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 1320451223 - 2¹² = 1320447127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320456223) 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, 7255136 + ... + 7255317.

It is an arithmetic number, because the mean of its divisors is an integer number (203146356).

Almost surely, 2^1320451223 is an apocalyptic number.

1320451223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1320451223 is a deficient number, since it is larger than the sum of its proper divisors (304719625).

1320451223 is a wasteful number, since it uses less digits than its factorization.

1320451223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14510473.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1320451223 is about 36338.0134707444. The cubic root of 1320451223 is about 1097.0862897250.

Adding to 1320451223 its reverse (3221540231), we get a palindrome (4541991454).

The spelling of 1320451223 in words is "one billion, three hundred twenty million, four hundred fifty-one thousand, two hundred twenty-three".