7000123 has 4 divisors (see below), whose sum is σ = 7538608. Its totient is φ = 6461640.

The previous prime is 7000121. The next prime is 7000127. The reversal of 7000123 is 3210007.

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 7000123 - 2¹ = 7000121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 538471 = 7000123 / (7 + 0 + 0 + 0 + 1 + 2 + 3).

It is an Ulam number.

It is a Duffinian number.

7000123 is a modest number, since divided by 123 gives 70 as remainder.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (7000121) 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, 269223 + ... + 269248.

It is an arithmetic number, because the mean of its divisors is an integer number (1884652).

Almost surely, 2^7000123 is an apocalyptic number.

7000123 is a deficient number, since it is larger than the sum of its proper divisors (538485).

7000123 is a wasteful number, since it uses less digits than its factorization.

7000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538484.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 7000123 is about 2645.7745557776. The cubic root of 7000123 is about 191.2942387018.

The spelling of 7000123 in words is "seven million, one hundred twenty-three", and thus it is an aban number.