190523 has 2 divisors, whose sum is σ = 190524. Its totient is φ = 190522.

The previous prime is 190507. The next prime is 190529. The reversal of 190523 is 325091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190523 - 2^{4} = 190507 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to *n*+sod(*n*) for *n* = 190495 and 190504.

It is an inconsummate number, since it does not exist a number *n* which divided by its sum of digits gives 190523.

It is not a weakly prime, because it can be changed into another prime (190529) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95261 + 95262.

It is an arithmetic number, because the mean of its divisors is an integer number (95262).

2^{190523} is an apocalyptic number.

190523 is a deficient number, since it is larger than the sum of its proper divisors (1).

190523 is an equidigital number, since it uses as much as digits as its factorization.

190523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 190523 is about 436.4894042242. The cubic root of 190523 is about 57.5416711163.

The spelling of 190523 in words is "one hundred ninety thousand, five hundred twenty-three".

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