2023969 has 4 divisors (see below), whose sum is σ = 2143044. Its totient is φ = 1904896.

The previous prime is 2023963. The next prime is 2023981. The reversal of 2023969 is 9693202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1468944 + 555025 = 1212^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023969 - 2⁷ = 2023841 is a prime.

It is a super-2 number, since 2×2023969² = 8192901025922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 2023969.

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 3 ways as a sum of consecutive naturals, for example, 59512 + ... + 59545.

It is an arithmetic number, because the mean of its divisors is an integer number (535761).

2^2023969 is an apocalyptic number.

It is an amenable number.

2023969 is a deficient number, since it is larger than the sum of its proper divisors (119075).

2023969 is a wasteful number, since it uses less digits than its factorization.

2023969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119074.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 2023969 is about 1422.6626444804. The cubic root of 2023969 is about 126.4934250620.

It can be divided in two parts, 2023 and 969, that added together give a palindrome (2992).

The spelling of 2023969 in words is "two million, twenty-three thousand, nine hundred sixty-nine".