7426423 has 4 divisors (see below), whose sum is σ = 7584480. Its totient is φ = 7268368.

The previous prime is 7426421. The next prime is 7426451. The reversal of 7426423 is 3246247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3246247 = 127 ⋅25561.

It is a cyclic number.

It is not a de Polignac number, because 7426423 - 2¹ = 7426421 is a prime.

It is a Duffinian number.

7426423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7426391 and 7426400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7426421) 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 3 ways as a sum of consecutive naturals, for example, 78958 + ... + 79051.

It is an arithmetic number, because the mean of its divisors is an integer number (1896120).

Almost surely, 2^7426423 is an apocalyptic number.

7426423 is a deficient number, since it is larger than the sum of its proper divisors (158057).

7426423 is a wasteful number, since it uses less digits than its factorization.

7426423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158056.

The product of its digits is 8064, while the sum is 28.

The square root of 7426423 is about 2725.1464180847. The cubic root of 7426423 is about 195.1011791382.

The spelling of 7426423 in words is "seven million, four hundred twenty-six thousand, four hundred twenty-three".