7873123 has 8 divisors (see below), whose sum is σ = 8258400. Its totient is φ = 7495488.

The previous prime is 7873093. The next prime is 7873133. The reversal of 7873123 is 3213787.

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 7873123 - 2⁹ = 7872611 is a prime.

It is a Duffinian number.

7873123 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7873133) 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, 258 + ... + 3976.

It is an arithmetic number, because the mean of its divisors is an integer number (1032300).

Almost surely, 2^7873123 is an apocalyptic number.

7873123 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

7873123 is a deficient number, since it is larger than the sum of its proper divisors (385277).

7873123 is a wasteful number, since it uses less digits than its factorization.

7873123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821.

The product of its digits is 7056, while the sum is 31.

The square root of 7873123 is about 2805.9085872494. The cubic root of 7873123 is about 198.9370523867.

The spelling of 7873123 in words is "seven million, eight hundred seventy-three thousand, one hundred twenty-three".