403230400987 has 2 divisors, whose sum is σ = 403230400988. Its totient is φ = 403230400986.

The previous prime is 403230400973. The next prime is 403230400997. The reversal of 403230400987 is 789004032304.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403230400987 is a prime.

It is not a weakly prime, because it can be changed into another prime (403230400957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201615200493 + 201615200494.

It is an arithmetic number, because the mean of its divisors is an integer number (201615200494).

Almost surely, 2^403230400987 is an apocalyptic number.

403230400987 is a deficient number, since it is larger than the sum of its proper divisors (1).

403230400987 is an equidigital number, since it uses as much as digits as its factorization.

403230400987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 403230400987 in words is "four hundred three billion, two hundred thirty million, four hundred thousand, nine hundred eighty-seven".