2023965 has 24 divisors (see below), whose sum is σ = 3597048. Its totient is φ = 1052160.

The previous prime is 2023963. The next prime is 2023981. The reversal of 2023965 is 5693202.

It can be written as a sum of positive squares in 4 ways, for example, as 10404 + 2013561 = 102^2 + 1419^2 .

It is not a de Polignac number, because 2023965 - 2¹ = 2023963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1297 + ... + 2393.

It is an arithmetic number, because the mean of its divisors is an integer number (149877).

2^2023965 is an apocalyptic number.

It is an amenable number.

2023965 is a deficient number, since it is larger than the sum of its proper divisors (1573083).

2023965 is a wasteful number, since it uses less digits than its factorization.

2023965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2023965 is about 1422.6612386651. The cubic root of 2023965 is about 126.4933417317.

The spelling of 2023965 in words is "two million, twenty-three thousand, nine hundred sixty-five".