7940000323 has 4 divisors (see below), whose sum is σ = 7943320728. Its totient is φ = 7936679920.

The previous prime is 7940000317. The next prime is 7940000329. The reversal of 7940000323 is 3230000497.

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

It is an interprime number because it is at equal distance from previous prime (7940000317) and next prime (7940000329).

It is a cyclic number.

It is not a de Polignac number, because 7940000323 - 2⁵ = 7940000291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7940000291 and 7940000300.

It is not an unprimeable number, because it can be changed into a prime (7940000329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1656613 + ... + 1661398.

It is an arithmetic number, because the mean of its divisors is an integer number (1985830182).

Almost surely, 2^7940000323 is an apocalyptic number.

7940000323 is a deficient number, since it is larger than the sum of its proper divisors (3320405).

7940000323 is a wasteful number, since it uses less digits than its factorization.

7940000323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320404.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 7940000323 is about 89106.6794522162. The cubic root of 7940000323 is about 1994.9874747069.

The spelling of 7940000323 in words is "seven billion, nine hundred forty million, three hundred twenty-three", and thus it is an aban number.