7656423 has 8 divisors (see below), whose sum is σ = 10221936. Its totient is φ = 5097600.

The previous prime is 7656413. The next prime is 7656431. The reversal of 7656423 is 3246567.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7656423 - 2¹⁶ = 7590887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7656413) 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, 2463 + ... + 4623.

It is an arithmetic number, because the mean of its divisors is an integer number (1277742).

Almost surely, 2^7656423 is an apocalyptic number.

7656423 is a deficient number, since it is larger than the sum of its proper divisors (2565513).

7656423 is a wasteful number, since it uses less digits than its factorization.

7656423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345.

The product of its digits is 30240, while the sum is 33.

The square root of 7656423 is about 2767.0242138442. The cubic root of 7656423 is about 197.0948635684.

The spelling of 7656423 in words is "seven million, six hundred fifty-six thousand, four hundred twenty-three".