168112403 has 2 divisors, whose sum is σ = 168112404. Its totient is φ = 168112402.

The previous prime is 168112397. The next prime is 168112453. The reversal of 168112403 is 304211861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168112403 - 2²² = 163918099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (168112453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84056201 + 84056202.

It is an arithmetic number, because the mean of its divisors is an integer number (84056202).

Almost surely, 2^168112403 is an apocalyptic number.

168112403 is a deficient number, since it is larger than the sum of its proper divisors (1).

168112403 is an equidigital number, since it uses as much as digits as its factorization.

168112403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 168112403 is about 12965.8167116461. The cubic root of 168112403 is about 551.9078679025.

The spelling of 168112403 in words is "one hundred sixty-eight million, one hundred twelve thousand, four hundred three".