190648823 has 2 divisors, whose sum is σ = 190648824. Its totient is φ = 190648822.

The previous prime is 190648781. The next prime is 190648837. The reversal of 190648823 is 328846091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190648823 - 2¹⁶ = 190583287 is a prime.

It is a super-2 number, since 2×190648823² = 72693947422570658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190648723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95324411 + 95324412.

It is an arithmetic number, because the mean of its divisors is an integer number (95324412).

Almost surely, 2^190648823 is an apocalyptic number.

190648823 is a deficient number, since it is larger than the sum of its proper divisors (1).

190648823 is an equidigital number, since it uses as much as digits as its factorization.

190648823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 190648823 is about 13807.5639777623. The cubic root of 190648823 is about 575.5433533086.

The spelling of 190648823 in words is "one hundred ninety million, six hundred forty-eight thousand, eight hundred twenty-three".