2320455 has 24 divisors (see below), whose sum is σ = 3849552. Its totient is φ = 1193472.

The previous prime is 2320427. The next prime is 2320471. The reversal of 2320455 is 5540232.

It is not a de Polignac number, because 2320455 - 2⁶ = 2320391 is a prime.

It is a super-2 number, since 2×2320455² = 10769022814050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20479 + ... + 20591.

It is an arithmetic number, because the mean of its divisors is an integer number (160398).

2^2320455 is an apocalyptic number.

2320455 is a deficient number, since it is larger than the sum of its proper divisors (1529097).

2320455 is a wasteful number, since it uses less digits than its factorization.

2320455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2320455 is about 1523.3039749177. The cubic root of 2320455 is about 132.3907726856.

Adding to 2320455 its reverse (5540232), we get a palindrome (7860687).

It can be divided in two parts, 2320 and 455, that added together give a triangular number (2775 = T₇₄).

The spelling of 2320455 in words is "two million, three hundred twenty thousand, four hundred fifty-five".