2320400667 has 8 divisors (see below), whose sum is σ = 3331857424. Its totient is φ = 1427938848.

The previous prime is 2320400657. The next prime is 2320400689. The reversal of 2320400667 is 7660040232.

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

It is not a de Polignac number, because 2320400667 - 2⁶ = 2320400603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2320400657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29748688 + ... + 29748765.

It is an arithmetic number, because the mean of its divisors is an integer number (416482178).

Almost surely, 2^2320400667 is an apocalyptic number.

2320400667 is a deficient number, since it is larger than the sum of its proper divisors (1011456757).

2320400667 is a wasteful number, since it uses less digits than its factorization.

2320400667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59497469.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 2320400667 is about 48170.5373335195. The cubic root of 2320400667 is about 1323.8973937623.

Adding to 2320400667 its reverse (7660040232), we get a palindrome (9980440899).

The spelling of 2320400667 in words is "two billion, three hundred twenty million, four hundred thousand, six hundred sixty-seven".