190697023 has 4 divisors (see below), whose sum is σ = 208033128. Its totient is φ = 173360920.

The previous prime is 190696993. The next prime is 190697029. The reversal of 190697023 is 320796091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190697023 - 2⁹ = 190696511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190697029) 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 3 ways as a sum of consecutive naturals, for example, 8668036 + ... + 8668057.

It is an arithmetic number, because the mean of its divisors is an integer number (52008282).

Almost surely, 2^190697023 is an apocalyptic number.

190697023 is a deficient number, since it is larger than the sum of its proper divisors (17336105).

190697023 is a wasteful number, since it uses less digits than its factorization.

190697023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17336104.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 190697023 is about 13809.3092875784. The cubic root of 190697023 is about 575.5918523441.

The spelling of 190697023 in words is "one hundred ninety million, six hundred ninety-seven thousand, twenty-three".