7700123 has 4 divisors (see below), whose sum is σ = 7705680. Its totient is φ = 7694568.

The previous prime is 7700117. The next prime is 7700131. The reversal of 7700123 is 3210077.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3210077 = 13 ⋅246929.

It is a cyclic number.

It is not a de Polignac number, because 7700123 - 2¹⁰ = 7699099 is a prime.

It is an Ulam number.

It is a Duffinian number.

7700123 is a modest number, since divided by 123 gives 77 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 7700095 and 7700104.

It is not an unprimeable number, because it can be changed into a prime (7700723) 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, 1193 + ... + 4101.

It is an arithmetic number, because the mean of its divisors is an integer number (1926420).

Almost surely, 2^7700123 is an apocalyptic number.

7700123 is a deficient number, since it is larger than the sum of its proper divisors (5557).

7700123 is a wasteful number, since it uses less digits than its factorization.

7700123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 7700123 is about 2774.9095480754. The cubic root of 7700123 is about 197.4691336691.

The spelling of 7700123 in words is "seven million, seven hundred thousand, one hundred twenty-three".