923403 has 8 divisors (see below), whose sum is σ = 1325968. Its totient is φ = 568224.

The previous prime is 923399. The next prime is 923407. The reversal of 923403 is 304329.

923403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (923399) and next prime (923407).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 923403 - 2² = 923399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 923403.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 923403.

It is not an unprimeable number, because it can be changed into a prime (923407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11800 + ... + 11877.

It is an arithmetic number, because the mean of its divisors is an integer number (165746).

2⁹²³⁴⁰³ is an apocalyptic number.

923403 is a deficient number, since it is larger than the sum of its proper divisors (402565).

923403 is a wasteful number, since it uses less digits than its factorization.

923403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23693.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 923403 is about 960.9386036579. The cubic root of 923403 is about 97.3786524535.

It can be divided in two parts, 923 and 403, that added together give a triangular number (1326 = T₅₁).

The spelling of 923403 in words is "nine hundred twenty-three thousand, four hundred three".