189793103 has 2 divisors, whose sum is σ = 189793104. Its totient is φ = 189793102.

The previous prime is 189793073. The next prime is 189793127. The reversal of 189793103 is 301397981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189793103 - 2¹² = 189789007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189793133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94896551 + 94896552.

It is an arithmetic number, because the mean of its divisors is an integer number (94896552).

Almost surely, 2^189793103 is an apocalyptic number.

189793103 is a deficient number, since it is larger than the sum of its proper divisors (1).

189793103 is an equidigital number, since it uses as much as digits as its factorization.

189793103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 189793103 is about 13776.5417648988. The cubic root of 189793103 is about 574.6809602531.

The spelling of 189793103 in words is "one hundred eighty-nine million, seven hundred ninety-three thousand, one hundred three".