130423939 has 2 divisors, whose sum is σ = 130423940. Its totient is φ = 130423938.

The previous prime is 130423907. The next prime is 130423963. The reversal of 130423939 is 939324031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130423939 - 2⁵ = 130423907 is a prime.

It is not a weakly prime, because it can be changed into another prime (130421939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65211969 + 65211970.

It is an arithmetic number, because the mean of its divisors is an integer number (65211970).

Almost surely, 2^130423939 is an apocalyptic number.

130423939 is a deficient number, since it is larger than the sum of its proper divisors (1).

130423939 is an equidigital number, since it uses as much as digits as its factorization.

130423939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 130423939 is about 11420.3300740390. The cubic root of 130423939 is about 507.1297682342.

The spelling of 130423939 in words is "one hundred thirty million, four hundred twenty-three thousand, nine hundred thirty-nine".