40923 has 6 divisors (see below), whose sum is σ = 59124. Its totient is φ = 27276.

The previous prime is 40903. The next prime is 40927. The reversal of 40923 is 32904.

It is a de Polignac number, because none of the positive numbers 2^k-40923 is a prime.

40923 is a lucky number.

It is a zygodrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 40896 and 40905.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 40923.

It is not an unprimeable number, because it can be changed into a prime (40927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2265 + ... + 2282.

It is an arithmetic number, because the mean of its divisors is an integer number (9854).

2⁴⁰⁹²³ is an apocalyptic number.

40923 is a deficient number, since it is larger than the sum of its proper divisors (18201).

40923 is a wasteful number, since it uses less digits than its factorization.

40923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553 (or 4550 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 40923 is about 202.2943400098. The cubic root of 40923 is about 34.4605724757.

It can be divided in two parts, 4092 and 3, that added together give a triangular number (4095 = T₉₀).

The spelling of 40923 in words is "forty thousand, nine hundred twenty-three".