7123140347 has 4 divisors (see below), whose sum is σ = 7134993096. Its totient is φ = 7111287600.

The previous prime is 7123140331. The next prime is 7123140377. The reversal of 7123140347 is 7430413217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7430413217 = 191 ⋅38902687.

It is a cyclic number.

It is not a de Polignac number, because 7123140347 - 2⁴ = 7123140331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7123140317) 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, 5925473 + ... + 5926674.

It is an arithmetic number, because the mean of its divisors is an integer number (1783748274).

Almost surely, 2^7123140347 is an apocalyptic number.

7123140347 is a deficient number, since it is larger than the sum of its proper divisors (11852749).

7123140347 is a wasteful number, since it uses less digits than its factorization.

7123140347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11852748.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 7123140347 is about 84398.6987281202. The cubic root of 7123140347 is about 1924.0831387513.

The spelling of 7123140347 in words is "seven billion, one hundred twenty-three million, one hundred forty thousand, three hundred forty-seven".