9042623 has 4 divisors (see below), whose sum is σ = 9574560. Its totient is φ = 8510688.

The previous prime is 9042619. The next prime is 9042637. The reversal of 9042623 is 3262409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3262409 = 31 ⋅105239.

It is a cyclic number.

It is not a de Polignac number, because 9042623 - 2² = 9042619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9042592 and 9042601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9042223) 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, 265943 + ... + 265976.

It is an arithmetic number, because the mean of its divisors is an integer number (2393640).

Almost surely, 2^9042623 is an apocalyptic number.

9042623 is a deficient number, since it is larger than the sum of its proper divisors (531937).

9042623 is a wasteful number, since it uses less digits than its factorization.

9042623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531936.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 9042623 is about 3007.0954424494. The cubic root of 9042623 is about 208.3362334885.

The spelling of 9042623 in words is "nine million, forty-two thousand, six hundred twenty-three".