2378223409 has 16 divisors (see below), whose sum is σ = 2499590016. Its totient is φ = 2260598400.

The previous prime is 2378223401. The next prime is 2378223413. The reversal of 2378223409 is 9043228732.

It is a cyclic number.

It is not a de Polignac number, because 2378223409 - 2³ = 2378223401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2378223401) 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, 263164 + ... + 272050.

It is an arithmetic number, because the mean of its divisors is an integer number (156224376).

Almost surely, 2^2378223409 is an apocalyptic number.

It is an amenable number.

2378223409 is a deficient number, since it is larger than the sum of its proper divisors (121366607).

2378223409 is a wasteful number, since it uses less digits than its factorization.

2378223409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9096.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 2378223409 is about 48767.0319888344. The cubic root of 2378223409 is about 1334.8041549925.

The spelling of 2378223409 in words is "two billion, three hundred seventy-eight million, two hundred twenty-three thousand, four hundred nine".