7872423 has 16 divisors (see below), whose sum is σ = 11426016. Its totient is φ = 4792320.

The previous prime is 7872413. The next prime is 7872437. The reversal of 7872423 is 3242787.

It is not a de Polignac number, because 7872423 - 2⁵ = 7872391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2743 + ... + 4823.

It is an arithmetic number, because the mean of its divisors is an integer number (714126).

Almost surely, 2^7872423 is an apocalyptic number.

7872423 is a deficient number, since it is larger than the sum of its proper divisors (3553593).

7872423 is a wasteful number, since it uses less digits than its factorization.

7872423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194.

The product of its digits is 18816, while the sum is 33.

The square root of 7872423 is about 2805.7838476975. The cubic root of 7872423 is about 198.9311563755.

The spelling of 7872423 in words is "seven million, eight hundred seventy-two thousand, four hundred twenty-three".