7438023 has 12 divisors (see below), whose sum is σ = 10800400. Its totient is φ = 4932576.

The previous prime is 7438001. The next prime is 7438033. The reversal of 7438023 is 3208347.

7438023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7438023 - 2⁹ = 7437511 is a prime.

It is a super-2 number, since 2×7438023² = 110648372297058, which contains 22 as substring.

It is a Duffinian number.

7438023 is a lucky number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7438033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286 + ... + 3867.

Almost surely, 2^7438023 is an apocalyptic number.

7438023 is a deficient number, since it is larger than the sum of its proper divisors (3362377).

7438023 is a wasteful number, since it uses less digits than its factorization.

7438023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358 (or 4355 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 7438023 is about 2727.2739136361. The cubic root of 7438023 is about 195.2027083377.

The spelling of 7438023 in words is "seven million, four hundred thirty-eight thousand, twenty-three".