2320320045 has 8 divisors (see below), whose sum is σ = 3712512096. Its totient is φ = 1237504016.

The previous prime is 2320320043. The next prime is 2320320047. The reversal of 2320320045 is 5400230232.

It is an interprime number because it is at equal distance from previous prime (2320320043) and next prime (2320320047).

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 2320320045 - 2¹ = 2320320043 is a prime.

It is a super-2 number, since 2×2320320045² = 10767770222457604050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320320043) 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, 77343987 + ... + 77344016.

It is an arithmetic number, because the mean of its divisors is an integer number (464064012).

Almost surely, 2^2320320045 is an apocalyptic number.

It is an amenable number.

2320320045 is a deficient number, since it is larger than the sum of its proper divisors (1392192051).

2320320045 is a wasteful number, since it uses less digits than its factorization.

2320320045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154688011.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 2320320045 is about 48169.7004869244. The cubic root of 2320320045 is about 1323.8820607075.

Adding to 2320320045 its reverse (5400230232), we get a palindrome (7720550277).

The spelling of 2320320045 in words is "two billion, three hundred twenty million, three hundred twenty thousand, forty-five".