7800423 has 8 divisors (see below), whose sum is σ = 10526208. Its totient is φ = 5137464.

The previous prime is 7800413. The next prime is 7800479. The reversal of 7800423 is 3240087.

7800423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7800423 - 2¹⁴ = 7784039 is a prime.

7800423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7800393 and 7800402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7800413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15415 + ... + 15912.

It is an arithmetic number, because the mean of its divisors is an integer number (1315776).

Almost surely, 2^7800423 is an apocalyptic number.

7800423 is a deficient number, since it is larger than the sum of its proper divisors (2725785).

7800423 is a wasteful number, since it uses less digits than its factorization.

7800423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31413.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 7800423 is about 2792.9237368750. The cubic root of 7800423 is about 198.3228332051.

The spelling of 7800423 in words is "seven million, eight hundred thousand, four hundred twenty-three".