2321455 has 4 divisors (see below), whose sum is σ = 2785752. Its totient is φ = 1857160.

The previous prime is 2321443. The next prime is 2321507. The reversal of 2321455 is 5541232.

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

It is not a de Polignac number, because 2321455 - 2⁹ = 2320943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232141 + ... + 232150.

It is an arithmetic number, because the mean of its divisors is an integer number (696438).

2^2321455 is an apocalyptic number.

2321455 is a deficient number, since it is larger than the sum of its proper divisors (464297).

2321455 is an equidigital number, since it uses as much as digits as its factorization.

2321455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464296.

The product of its digits is 1200, while the sum is 22.

The square root of 2321455 is about 1523.6321734592. The cubic root of 2321455 is about 132.4097878873.

Adding to 2321455 its reverse (5541232), we get a palindrome (7862687).

The spelling of 2321455 in words is "two million, three hundred twenty-one thousand, four hundred fifty-five".