7123239797 has 8 divisors (see below), whose sum is σ = 7158131136. Its totient is φ = 7088379712.

The previous prime is 7123239793. The next prime is 7123239839. The reversal of 7123239797 is 7979323217.

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 7123239797 - 2² = 7123239793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7123239793) 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, 542168 + ... + 555150.

It is an arithmetic number, because the mean of its divisors is an integer number (894766392).

Almost surely, 2^7123239797 is an apocalyptic number.

It is an amenable number.

7123239797 is a deficient number, since it is larger than the sum of its proper divisors (34891339).

7123239797 is a wasteful number, since it uses less digits than its factorization.

7123239797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15627.

The product of its digits is 1000188, while the sum is 50.

The square root of 7123239797 is about 84399.2878939153. The cubic root of 7123239797 is about 1924.0920930968.

The spelling of 7123239797 in words is "seven billion, one hundred twenty-three million, two hundred thirty-nine thousand, seven hundred ninety-seven".