2320457 has 4 divisors (see below), whose sum is σ = 2330820. Its totient is φ = 2310096.

The previous prime is 2320427. The next prime is 2320471. The reversal of 2320457 is 7540232.

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 2027776 + 292681 = 1424^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320457 - 2¹⁰ = 2319433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2320427) 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, 4838 + ... + 5295.

It is an arithmetic number, because the mean of its divisors is an integer number (582705).

2^2320457 is an apocalyptic number.

It is an amenable number.

2320457 is a deficient number, since it is larger than the sum of its proper divisors (10363).

2320457 is a wasteful number, since it uses less digits than its factorization.

2320457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10362.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2320457 is about 1523.3046313853. The cubic root of 2320457 is about 132.3908107215.

Adding to 2320457 its reverse (7540232), we get a palindrome (9860689).

The spelling of 2320457 in words is "two million, three hundred twenty thousand, four hundred fifty-seven".