403242423427 has 2 divisors, whose sum is σ = 403242423428. Its totient is φ = 403242423426.

The previous prime is 403242423377. The next prime is 403242423481. The reversal of 403242423427 is 724324242304.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403242423427 is a prime.

It is not a weakly prime, because it can be changed into another prime (403240423427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201621211713 + 201621211714.

It is an arithmetic number, because the mean of its divisors is an integer number (201621211714).

Almost surely, 2^403242423427 is an apocalyptic number.

403242423427 is a deficient number, since it is larger than the sum of its proper divisors (1).

403242423427 is an equidigital number, since it uses as much as digits as its factorization.

403242423427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 37.

The spelling of 403242423427 in words is "four hundred three billion, two hundred forty-two million, four hundred twenty-three thousand, four hundred twenty-seven".