7912423 has 8 divisors (see below), whose sum is σ = 8103888. Its totient is φ = 7722624.

The previous prime is 7912363. The next prime is 7912433. The reversal of 7912423 is 3242197.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7912423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7912391 and 7912400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7912433) 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, 17640 + ... + 18082.

It is an arithmetic number, because the mean of its divisors is an integer number (1012986).

Almost surely, 2^7912423 is an apocalyptic number.

7912423 is a deficient number, since it is larger than the sum of its proper divisors (191465).

7912423 is a wasteful number, since it uses less digits than its factorization.

7912423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833.

The product of its digits is 3024, while the sum is 28.

The square root of 7912423 is about 2812.9029489124. The cubic root of 7912423 is about 199.2675122502.

The spelling of 7912423 in words is "seven million, nine hundred twelve thousand, four hundred twenty-three".