738423 has 16 divisors (see below), whose sum is σ = 1250560. Its totient is φ = 421848.

The previous prime is 738421. The next prime is 738443. The reversal of 738423 is 324837.

738423 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 738423 - 2¹ = 738421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1765 + ... + 2142.

It is an arithmetic number, because the mean of its divisors is an integer number (78160).

2⁷³⁸⁴²³ is an apocalyptic number.

738423 is a deficient number, since it is larger than the sum of its proper divisors (512137).

738423 is a wasteful number, since it uses less digits than its factorization.

738423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923 (or 3917 counting only the distinct ones).

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

The square root of 738423 is about 859.3154252078. The cubic root of 738423 is about 90.3861188778.

The spelling of 738423 in words is "seven hundred thirty-eight thousand, four hundred twenty-three".