2101323 has 16 divisors (see below), whose sum is σ = 3271680. Its totient is φ = 1174656.

The previous prime is 2101313. The next prime is 2101327. The reversal of 2101323 is 3231012.

It is a happy number.

It is not a de Polignac number, because 2101323 - 2⁶ = 2101259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101299 and 2101308.

It is not an unprimeable number, because it can be changed into a prime (2101327) 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, 78 + ... + 2051.

It is an arithmetic number, because the mean of its divisors is an integer number (204480).

2^2101323 is an apocalyptic number.

2101323 is a deficient number, since it is larger than the sum of its proper divisors (1170357).

2101323 is a wasteful number, since it uses less digits than its factorization.

2101323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2101323 is about 1449.5940811137. The cubic root of 2101323 is about 128.0848030158.

Adding to 2101323 its reverse (3231012), we get a palindrome (5332335).

The spelling of 2101323 in words is "two million, one hundred one thousand, three hundred twenty-three".