7445423 has 4 divisors (see below), whose sum is σ = 7471128. Its totient is φ = 7419720.

The previous prime is 7445393. The next prime is 7445437. The reversal of 7445423 is 3245447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3245447 = 19 ⋅170813.

It is a cyclic number.

It is not a de Polignac number, because 7445423 - 2¹⁰ = 7444399 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 (7445443) 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, 12413 + ... + 12998.

It is an arithmetic number, because the mean of its divisors is an integer number (1867782).

Almost surely, 2^7445423 is an apocalyptic number.

7445423 is a deficient number, since it is larger than the sum of its proper divisors (25705).

7445423 is a wasteful number, since it uses less digits than its factorization.

7445423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25704.

The product of its digits is 13440, while the sum is 29.

The square root of 7445423 is about 2728.6302424477. The cubic root of 7445423 is about 195.2674218271.

The spelling of 7445423 in words is "seven million, four hundred forty-five thousand, four hundred twenty-three".