7240340323 has 4 divisors (see below), whose sum is σ = 7249756360. Its totient is φ = 7230924288.

The previous prime is 7240340309. The next prime is 7240340357. The reversal of 7240340323 is 3230430427.

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 7240340323 - 2⁵ = 7240340291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7240340291 and 7240340300.

It is not an unprimeable number, because it can be changed into a prime (7240340363) 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, 4706865 + ... + 4708402.

It is an arithmetic number, because the mean of its divisors is an integer number (1812439090).

Almost surely, 2^7240340323 is an apocalyptic number.

7240340323 is a deficient number, since it is larger than the sum of its proper divisors (9416037).

7240340323 is an equidigital number, since it uses as much as digits as its factorization.

7240340323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9416036.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 7240340323 is about 85090.1893463635. The cubic root of 7240340323 is about 1934.5783654461.

The spelling of 7240340323 in words is "seven billion, two hundred forty million, three hundred forty thousand, three hundred twenty-three".