404423313139 has 2 divisors, whose sum is σ = 404423313140. Its totient is φ = 404423313138.

The previous prime is 404423313109. The next prime is 404423313163. The reversal of 404423313139 is 931313324404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404423313139 - 2¹³ = 404423304947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404423313098 and 404423313107.

It is not a weakly prime, because it can be changed into another prime (404423313109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202211656569 + 202211656570.

It is an arithmetic number, because the mean of its divisors is an integer number (202211656570).

Almost surely, 2^404423313139 is an apocalyptic number.

404423313139 is a deficient number, since it is larger than the sum of its proper divisors (1).

404423313139 is an equidigital number, since it uses as much as digits as its factorization.

404423313139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 404423313139 in words is "four hundred four billion, four hundred twenty-three million, three hundred thirteen thousand, one hundred thirty-nine".