7124423 has 4 divisors (see below), whose sum is σ = 7132320. Its totient is φ = 7116528.

The previous prime is 7124417. The next prime is 7124431. The reversal of 7124423 is 3244217.

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: 3244217 = 1553 ⋅2089.

It is a cyclic number.

It is not a de Polignac number, because 7124423 - 2²⁰ = 6075847 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 (7124413) 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, 2390 + ... + 4467.

It is an arithmetic number, because the mean of its divisors is an integer number (1783080).

Almost surely, 2^7124423 is an apocalyptic number.

7124423 is a deficient number, since it is larger than the sum of its proper divisors (7897).

7124423 is a wasteful number, since it uses less digits than its factorization.

7124423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896.

The product of its digits is 1344, while the sum is 23.

The square root of 7124423 is about 2669.1614788169. The cubic root of 7124423 is about 192.4198620724.

The spelling of 7124423 in words is "seven million, one hundred twenty-four thousand, four hundred twenty-three".