2023545 has 16 divisors (see below), whose sum is σ = 3255552. Its totient is φ = 1073280.

The previous prime is 2023543. The next prime is 2023547. The reversal of 2023545 is 5453202.

It is an interprime number because it is at equal distance from previous prime (2023543) and next prime (2023547).

It is not a de Polignac number, because 2023545 - 2¹ = 2023543 is a prime.

2023545 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2023543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4480 + ... + 4910.

It is an arithmetic number, because the mean of its divisors is an integer number (203472).

2^2023545 is an apocalyptic number.

It is an amenable number.

2023545 is a deficient number, since it is larger than the sum of its proper divisors (1232007).

2023545 is a wasteful number, since it uses less digits than its factorization.

2023545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2023545 is about 1422.5136203214. The cubic root of 2023545 is about 126.4845914356.

Adding to 2023545 its reverse (5453202), we get a palindrome (7476747).

It can be divided in two parts, 20235 and 45, that multiplied together give a triangular number (910575 = T₁₃₄₉).

The spelling of 2023545 in words is "two million, twenty-three thousand, five hundred forty-five".