2160023 has 4 divisors (see below), whose sum is σ = 2218440. Its totient is φ = 2101608.

The previous prime is 2160017. The next prime is 2160029. The reversal of 2160023 is 3200612.

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

It is an interprime number because it is at equal distance from previous prime (2160017) and next prime (2160029).

It is a cyclic number.

It is not a de Polignac number, because 2160023 - 2⁶ = 2159959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160029) 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, 29153 + ... + 29226.

It is an arithmetic number, because the mean of its divisors is an integer number (554610).

2^2160023 is an apocalyptic number.

2160023 is a deficient number, since it is larger than the sum of its proper divisors (58417).

2160023 is an equidigital number, since it uses as much as digits as its factorization.

2160023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58416.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2160023 is about 1469.7016704080. The cubic root of 2160023 is about 129.2665402151.

Adding to 2160023 its reverse (3200612), we get a palindrome (5360635).

The spelling of 2160023 in words is "two million, one hundred sixty thousand, twenty-three".