2321943 has 16 divisors (see below), whose sum is σ = 3450720. Its totient is φ = 1378944.

The previous prime is 2321923. The next prime is 2321947. The reversal of 2321943 is 3491232.

It is not a de Polignac number, because 2321943 - 2²⁰ = 1273367 is a prime.

2321943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321947) 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, 105 + ... + 2157.

It is an arithmetic number, because the mean of its divisors is an integer number (215670).

2^2321943 is an apocalyptic number.

2321943 is a deficient number, since it is larger than the sum of its proper divisors (1128777).

2321943 is a wasteful number, since it uses less digits than its factorization.

2321943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098.

The product of its digits is 1296, while the sum is 24.

The square root of 2321943 is about 1523.7923086825. The cubic root of 2321943 is about 132.4190653231.

The spelling of 2321943 in words is "two million, three hundred twenty-one thousand, nine hundred forty-three".