42423231427 has 2 divisors, whose sum is σ = 42423231428. Its totient is φ = 42423231426.

The previous prime is 42423231419. The next prime is 42423231467. The reversal of 42423231427 is 72413232424.

42423231427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42423231427 - 2³ = 42423231419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42423231392 and 42423231401.

It is not a weakly prime, because it can be changed into another prime (42423231467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21211615713 + 21211615714.

It is an arithmetic number, because the mean of its divisors is an integer number (21211615714).

Almost surely, 2^42423231427 is an apocalyptic number.

42423231427 is a deficient number, since it is larger than the sum of its proper divisors (1).

42423231427 is an equidigital number, since it uses as much as digits as its factorization.

42423231427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 34.

The spelling of 42423231427 in words is "forty-two billion, four hundred twenty-three million, two hundred thirty-one thousand, four hundred twenty-seven".