190782423 has 12 divisors (see below), whose sum is σ = 296772840. Its totient is φ = 117404496.

The previous prime is 190782407. The next prime is 190782461. The reversal of 190782423 is 324287091.

It is not a de Polignac number, because 190782423 - 2⁴ = 190782407 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190782923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 815193 + ... + 815426.

It is an arithmetic number, because the mean of its divisors is an integer number (24731070).

Almost surely, 2^190782423 is an apocalyptic number.

190782423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

190782423 is a deficient number, since it is larger than the sum of its proper divisors (105990417).

190782423 is a wasteful number, since it uses less digits than its factorization.

190782423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630638 (or 1630635 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 190782423 is about 13812.4010584692. The cubic root of 190782423 is about 575.6777621072.

The spelling of 190782423 in words is "one hundred ninety million, seven hundred eighty-two thousand, four hundred twenty-three".