2023161 has 12 divisors (see below), whose sum is σ = 3138192. Its totient is φ = 1156008.

The previous prime is 2023159. The next prime is 2023163. The reversal of 2023161 is 1613202.

It is an interprime number because it is at equal distance from previous prime (2023159) and next prime (2023163).

It is not a de Polignac number, because 2023161 - 2¹ = 2023159 is a prime.

2023161 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2023161.

It is not an unprimeable number, because it can be changed into a prime (2023163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6735 + ... + 7028.

It is an arithmetic number, because the mean of its divisors is an integer number (261516).

2^2023161 is an apocalyptic number.

2023161 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2023161 is a deficient number, since it is larger than the sum of its proper divisors (1115031).

2023161 is a wasteful number, since it uses less digits than its factorization.

2023161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13780 (or 13773 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2023161 is about 1422.3786415719. The cubic root of 2023161 is about 126.4765901053.

Adding to 2023161 its reverse (1613202), we get a palindrome (3636363).

The spelling of 2023161 in words is "two million, twenty-three thousand, one hundred sixty-one".