7958423 has 4 divisors (see below), whose sum is σ = 8681928. Its totient is φ = 7234920.

The previous prime is 7958407. The next prime is 7958429. The reversal of 7958423 is 3248597.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7958423 - 2⁴ = 7958407 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 (7958429) 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, 361736 + ... + 361757.

It is an arithmetic number, because the mean of its divisors is an integer number (2170482).

Almost surely, 2^7958423 is an apocalyptic number.

7958423 is a deficient number, since it is larger than the sum of its proper divisors (723505).

7958423 is a wasteful number, since it uses less digits than its factorization.

7958423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723504.

The product of its digits is 60480, while the sum is 38.

The square root of 7958423 is about 2821.0677056746. The cubic root of 7958423 is about 199.6529230363.

The spelling of 7958423 in words is "seven million, nine hundred fifty-eight thousand, four hundred twenty-three".