2321578379 has 2 divisors, whose sum is σ = 2321578380. Its totient is φ = 2321578378.

The previous prime is 2321578373. The next prime is 2321578397. The reversal of 2321578379 is 9738751232.

Together with next prime (2321578397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321578379 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321578373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160789189 + 1160789190.

It is an arithmetic number, because the mean of its divisors is an integer number (1160789190).

Almost surely, 2^2321578379 is an apocalyptic number.

2321578379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321578379 is an equidigital number, since it uses as much as digits as its factorization.

2321578379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 2321578379 is about 48182.7601845307. The cubic root of 2321578379 is about 1324.1213358542.

The spelling of 2321578379 in words is "two billion, three hundred twenty-one million, five hundred seventy-eight thousand, three hundred seventy-nine".