1040232379 has 2 divisors, whose sum is σ = 1040232380. Its totient is φ = 1040232378.

The previous prime is 1040232377. The next prime is 1040232433. The reversal of 1040232379 is 9732320401.

It is a weak prime.

It is an emirp because it is prime and its reverse (9732320401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1040232379 - 2¹ = 1040232377 is a prime.

Together with 1040232377, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1040232379.

It is not a weakly prime, because it can be changed into another prime (1040232377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520116189 + 520116190.

It is an arithmetic number, because the mean of its divisors is an integer number (520116190).

Almost surely, 2^1040232379 is an apocalyptic number.

1040232379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040232379 is an equidigital number, since it uses as much as digits as its factorization.

1040232379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1040232379 is about 32252.6336754070. The cubic root of 1040232379 is about 1013.2348587676.

The spelling of 1040232379 in words is "one billion, forty million, two hundred thirty-two thousand, three hundred seventy-nine".