1320210023 has 4 divisors (see below), whose sum is σ = 1440229128. Its totient is φ = 1200190920.

The previous prime is 1320210013. The next prime is 1320210029. The reversal of 1320210023 is 3200120231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1320210023 - 2¹⁴ = 1320193639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320210029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60009536 + ... + 60009557.

It is an arithmetic number, because the mean of its divisors is an integer number (360057282).

Almost surely, 2^1320210023 is an apocalyptic number.

1320210023 is a deficient number, since it is larger than the sum of its proper divisors (120019105).

1320210023 is a wasteful number, since it uses less digits than its factorization.

1320210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120019104.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1320210023 is about 36334.6944806200. The cubic root of 1320210023 is about 1097.0194859632.

Adding to 1320210023 its reverse (3200120231), we get a palindrome (4520330254).

The spelling of 1320210023 in words is "one billion, three hundred twenty million, two hundred ten thousand, twenty-three".