2405023 has 4 divisors (see below), whose sum is σ = 2408560. Its totient is φ = 2401488.

The previous prime is 2405021. The next prime is 2405027. The reversal of 2405023 is 3205042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2405023 - 2¹ = 2405021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2404988 and 2405006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405021) 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, 390 + ... + 2227.

It is an arithmetic number, because the mean of its divisors is an integer number (602140).

2^2405023 is an apocalyptic number.

2405023 is a deficient number, since it is larger than the sum of its proper divisors (3537).

2405023 is an equidigital number, since it uses as much as digits as its factorization.

2405023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2405023 is about 1550.8136574070. The cubic root of 2405023 is about 133.9799294214.

The spelling of 2405023 in words is "two million, four hundred five thousand, twenty-three".