113878403 has 2 divisors, whose sum is σ = 113878404. Its totient is φ = 113878402.

The previous prime is 113878379. The next prime is 113878507. The reversal of 113878403 is 304878311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113878403 - 2⁶ = 113878339 is a prime.

It is not a weakly prime, because it can be changed into another prime (113875403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56939201 + 56939202.

It is an arithmetic number, because the mean of its divisors is an integer number (56939202).

Almost surely, 2^113878403 is an apocalyptic number.

113878403 is a deficient number, since it is larger than the sum of its proper divisors (1).

113878403 is an equidigital number, since it uses as much as digits as its factorization.

113878403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 113878403 is about 10671.3824315315. The cubic root of 113878403 is about 484.7082994580.

The spelling of 113878403 in words is "one hundred thirteen million, eight hundred seventy-eight thousand, four hundred three".