2439401023 has 2 divisors, whose sum is σ = 2439401024. Its totient is φ = 2439401022.

The previous prime is 2439401021. The next prime is 2439401047. The reversal of 2439401023 is 3201049342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2439401023 - 2¹ = 2439401021 is a prime.

Together with 2439401021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2439400982 and 2439401000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2439401021) 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, 1219700511 + 1219700512.

It is an arithmetic number, because the mean of its divisors is an integer number (1219700512).

Almost surely, 2^2439401023 is an apocalyptic number.

2439401023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2439401023 is an equidigital number, since it uses as much as digits as its factorization.

2439401023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2439401023 is about 49390.2928013188. The cubic root of 2439401023 is about 1346.1529291490.

The spelling of 2439401023 in words is "two billion, four hundred thirty-nine million, four hundred one thousand, twenty-three".