2321293 has 4 divisors (see below), whose sum is σ = 2499868. Its totient is φ = 2142720.

The previous prime is 2321281. The next prime is 2321309. The reversal of 2321293 is 3921232.

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 299209 + 2022084 = 547^2 + 1422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321293 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 (2321213) 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, 89268 + ... + 89293.

It is an arithmetic number, because the mean of its divisors is an integer number (624967).

2^2321293 is an apocalyptic number.

It is an amenable number.

2321293 is a deficient number, since it is larger than the sum of its proper divisors (178575).

2321293 is a wasteful number, since it uses less digits than its factorization.

2321293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178574.

The product of its digits is 648, while the sum is 22.

The square root of 2321293 is about 1523.5790100943. The cubic root of 2321293 is about 132.4067077954.

It can be divided in two parts, 23 and 21293, that added together give a square (21316 = 146²).

The spelling of 2321293 in words is "two million, three hundred twenty-one thousand, two hundred ninety-three".