163234353625403 has 2 divisors, whose sum is σ = 163234353625404. Its totient is φ = 163234353625402.

The previous prime is 163234353625391. The next prime is 163234353625487. The reversal of 163234353625403 is 304526353432361.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163234353625403 - 2²⁸ = 163234085189947 is a prime.

It is not a weakly prime, because it can be changed into another prime (163234353625103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81617176812701 + 81617176812702.

It is an arithmetic number, because the mean of its divisors is an integer number (81617176812702).

Almost surely, 2^{163234353625403} is an apocalyptic number.

163234353625403 is a deficient number, since it is larger than the sum of its proper divisors (1).

163234353625403 is an equidigital number, since it uses as much as digits as its factorization.

163234353625403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13996800, while the sum is 50.

The spelling of 163234353625403 in words is "one hundred sixty-three trillion, two hundred thirty-four billion, three hundred fifty-three million, six hundred twenty-five thousand, four hundred three".